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                <h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">Standard library header</span> &lt;regex&gt;</h1>
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<p>This header is part of the <a href="../regex.html" title="cpp/regex">regular expressions</a> library.
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<table id="toc" class="toc"><tr><td><div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1 tocsection-1"><a href="regex.html#Namespace_std::regex_constants"><span class="tocnumber">1</span> <span class="toctext">Namespace <span><span>std<span>::</span><span>regex_constants</span></span></span></span></a>
<ul>
<li class="toclevel-2"><a href="regex.html#Types"><span class="tocnumber">1.1</span> <span class="toctext">Types</span></a></li>
</ul>
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<li class="toclevel-1 tocsection-2"><a href="regex.html#Classes"><span class="tocnumber">2</span> <span class="toctext">Classes</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="regex.html#Functions"><span class="tocnumber">3</span> <span class="toctext">Functions</span></a>
<ul>
<li class="toclevel-2"><a href="regex.html#Algorithm"><span class="tocnumber">3.1</span> <span class="toctext">Algorithm</span></a></li>
<li class="toclevel-2"><a href="regex.html#Non-member_operations"><span class="tocnumber">3.2</span> <span class="toctext">Non-member operations</span></a></li>
</ul>
</li>
<li class="toclevel-1 tocsection-4"><a href="regex.html#Synopsis"><span class="tocnumber">4</span> <span class="toctext">Synopsis</span></a>
<ul>
<li class="toclevel-2 tocsection-5"><a href="regex.html#Namespace_std::regex_constants_2"><span class="tocnumber">4.1</span> <span class="toctext">Namespace <span><span>std<span>::</span><span>regex_constants</span></span></span></span></a></li>
<li class="toclevel-2 tocsection-6"><a href="regex.html#Class_std::regex_error"><span class="tocnumber">4.2</span> <span class="toctext">Class <span>std::regex_error</span></span></a></li>
<li class="toclevel-2 tocsection-7"><a href="regex.html#Class_std::regex_traits"><span class="tocnumber">4.3</span> <span class="toctext">Class <span>std::regex_traits</span></span></a></li>
<li class="toclevel-2 tocsection-8"><a href="regex.html#Class_std::regex"><span class="tocnumber">4.4</span> <span class="toctext">Class <span>std::regex</span></span></a></li>
<li class="toclevel-2 tocsection-9"><a href="regex.html#Class_std::sub_match"><span class="tocnumber">4.5</span> <span class="toctext">Class <span>std::sub_match</span></span></a></li>
<li class="toclevel-2 tocsection-10"><a href="regex.html#Class_std::match_results"><span class="tocnumber">4.6</span> <span class="toctext">Class <span>std::match_results</span></span></a></li>
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</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=1" title="Edit section: Namespace std::regex constants">edit</a>]</span> <span class="mw-headline" id="Namespace_std::regex_constants">Namespace <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">regex_constants</span></span></span></span></h3>
<table class="t-dsc-begin">

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Types"> Types </span></h5>
</td></tr>

<tr class="t-dsc-header">
<td colspan="2"> <div>Defined in  namespace <code>std::regex_constants</code> </div>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/syntax_option_type.html" title="cpp/regex/syntax option type"> <span class="t-lines"><span>syntax_option_type</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   general options controlling regex behavior  <br /> <span class="t-mark">(typedef)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_syntax_option_type&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/match_flag_type.html" title="cpp/regex/match flag type"> <span class="t-lines"><span>match_flag_type</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   options specific to matching  <br /> <span class="t-mark">(typedef)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_match_flag_type&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/error_type.html" title="cpp/regex/error type"> <span class="t-lines"><span>error_type</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   describes different types of matching errors  <br /> <span class="t-mark">(typedef)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_error_type&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>
</table>
<table class="metadata plainlinks ambox mbox-small-left ambox-notice" style=""><tr><td class="mbox-empty-cell"></td><td class="mbox-text" style="">This section is incomplete<br />Reason: list all constants </td></tr></table>
<p><br />
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=2" title="Edit section: Classes">edit</a>]</span> <span class="mw-headline" id="Classes">Classes</span></h3>
<table class="t-dsc-begin">

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/basic_regex.html" title="cpp/regex/basic regex"> <span class="t-lines"><span>basic_regex</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   regular expression object  <br /> <span class="t-mark">(class template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_basic_regex&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/sub_match.html" title="cpp/regex/sub match"> <span class="t-lines"><span>sub_match</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   identifies the sequence of characters matched by a sub-expression  <br /> <span class="t-mark">(class template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_sub_match&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/match_results.html" title="cpp/regex/match results"> <span class="t-lines"><span>match_results</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   identifies one regular expression match, including all sub-expression matches  <br /> <span class="t-mark">(class template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_match_results&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_iterator.html" title="cpp/regex/regex iterator"> <span class="t-lines"><span>regex_iterator</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   iterates through all regex matches within a character sequence  <br /> <span class="t-mark">(class template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_iterator&amp;action=edit">&#91;edit&#93;</a></span>
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<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_token_iterator.html" title="cpp/regex/regex token iterator"> <span class="t-lines"><span>regex_token_iterator</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   iterates through the specified sub-expressions within all regex matches in a given string or through unmatched substrings  <br /> <span class="t-mark">(class template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_token_iterator&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_error.html" title="cpp/regex/regex error"> <span class="t-lines"><span>regex_error</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   reports errors generated by the regular expressions library  <br /> <span class="t-mark">(class)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_error&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_traits.html" title="cpp/regex/regex traits"> <span class="t-lines"><span>regex_traits</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   provides metainformation about a character type, required by the regex library  <br /> <span class="t-mark">(class template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_traits&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>
</table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=3" title="Edit section: Functions">edit</a>]</span> <span class="mw-headline" id="Functions">Functions</span></h3>
<table class="t-dsc-begin">

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Algorithm"> Algorithm </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_match.html" title="cpp/regex/regex match"> <span class="t-lines"><span>regex_match</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   attempts to match a regular expression to an entire character sequence  <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_match&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_search.html" title="cpp/regex/regex search"> <span class="t-lines"><span>regex_search</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   attempts to match a regular expression to any part of a character sequence  <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_search&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/regex_replace.html" title="cpp/regex/regex replace"> <span class="t-lines"><span>regex_replace</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   replaces occurrences of a regular expression with formatted replacement text  <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/dsc_regex_replace&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr>
<td colspan="2"> <h5> <span class="mw-headline" id="Non-member_operations"> Non-member operations </span></h5>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/basic_regex/swap2.html" title="cpp/regex/basic regex/swap2"> <span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::basic_regex)</span></span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   specializes the <span class="t-lc"><a href="../algorithm/swap.html" title="cpp/algorithm/swap">std::swap</a></span> algorithm <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/basic_regex/dsc_swap2&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/sub_match/operator_cmp.html" title="cpp/regex/sub match/operator cmp"> <span class="t-lines"><span>operator==</span><span>operator!=</span><span>operator&lt;</span><span>operator&lt;=</span><span>operator&gt;</span><span>operator&gt;=</span></span></a></div></div>
</td>
<td>   compares two <code>sub_match</code> objects  <br /> <span class="t-mark">(function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/sub_match/dsc_operator_cmp&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/sub_match/operator_ltlt.html" title="cpp/regex/sub match/operator ltlt"> <span class="t-lines"><span>operator&lt;&lt;</span></span></a></div></div>
</td>
<td>   outputs the matched character subsequence <br /> <span class="t-mark">(function template)</span>
</td></tr>


<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/match_results/operator_cmp.html" title="cpp/regex/match results/operator cmp"> <span class="t-lines"><span>operator==</span><span>operator!=</span></span></a></div></div>
</td>
<td>   lexicographically compares the values in the two match result  <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/match_results/dsc_operator_cmp&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

<tr class="t-dsc">
<td>  <div class="t-dsc-member-div"><div><a href="../regex/match_results/swap2.html" title="cpp/regex/match results/swap2"> <span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::match_results)</span></span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div>
</td>
<td>   specializes the <a href="../algorithm/swap.html" title="cpp/algorithm/swap"><tt>std::swap()</tt></a> algorithm <br /> <span class="t-mark">(function template)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/regex/match_results/dsc_swap2&amp;action=edit">&#91;edit&#93;</a></span>
</td></tr>

</table>
<p><br />
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=4" title="Edit section: Synopsis">edit</a>]</span> <span class="mw-headline" id="Synopsis">Synopsis</span></h3>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include &lt;initializer_list&gt;</span>
&#160;
<span class="kw1">namespace</span> std <span class="br0">&#123;</span>
&#160;
    <span class="co1">// regex constants:</span>
    <span class="kw1">namespace</span> regex_constants <span class="br0">&#123;</span>
        <span class="kw2">enum</span> error_type<span class="sy4">;</span>
    <span class="br0">&#125;</span> <span class="co1">// namespace regex_constants</span>
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    <span class="co1">// class regex_error:</span>
    <span class="kw1">class</span> regex_error<span class="sy4">;</span>
    <span class="co1">// class template regex_traits:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span> <span class="kw1">struct</span> regex_traits<span class="sy4">;</span>
    <span class="co1">// class template basic_regex:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> traits <span class="sy1">=</span> regex_traits<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="kw1">class</span> basic_regex<span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> basic_regex<span class="sy1">&lt;</span><span class="kw4">char</span><span class="sy1">&gt;</span> regex<span class="sy4">;</span>
    <span class="kw1">typedef</span> basic_regex<span class="sy1">&lt;</span><span class="kw4">wchar_t</span><span class="sy1">&gt;</span> wregex<span class="sy4">;</span>
&#160;
    <span class="co1">// basic_regex swap:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">void</span> swap<span class="br0">&#40;</span>basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e1, basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e2<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">// class template sub_match:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator<span class="sy1">&gt;</span> <span class="kw1">class</span> sub_match<span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> sub_match<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span><span class="sy1">&gt;</span>              csub_match<span class="sy4">;</span>
    <span class="kw1">typedef</span> sub_match<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span><span class="sy1">&gt;</span>           wcsub_match<span class="sy4">;</span>
    <span class="kw1">typedef</span> sub_match<span class="sy1">&lt;</span>string<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>   ssub_match<span class="sy4">;</span>
    <span class="kw1">typedef</span> sub_match<span class="sy1">&lt;</span>wstring<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>  wssub_match<span class="sy4">;</span>
&#160;
    <span class="co1">// sub_match non-member operators:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span>
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy2">*</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span><span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> lhs,
            <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;=</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&lt;</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">&gt;</span><span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> lhs,
            <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span> <span class="kw4">const</span><span class="sy3">&amp;</span> rhs<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> ST, <span class="kw1">class</span> BiIter<span class="sy1">&gt;</span>
        basic_ostream<span class="sy1">&lt;</span>charT, ST<span class="sy1">&gt;</span><span class="sy3">&amp;</span>
        operator<span class="sy1">&lt;&lt;</span><span class="br0">&#40;</span>basic_ostream<span class="sy1">&lt;</span>charT, ST<span class="sy1">&gt;</span><span class="sy3">&amp;</span> os, <span class="kw4">const</span> sub_match<span class="sy1">&lt;</span>BiIter<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">// class template match_results:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator,
              <span class="kw1">class</span> Allocator <span class="sy1">=</span> allocator<span class="sy1">&lt;</span>sub_match<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span> <span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> match_results<span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> match_results<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span><span class="sy1">&gt;</span>              cmatch<span class="sy4">;</span>
    <span class="kw1">typedef</span> match_results<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span><span class="sy1">&gt;</span>           wcmatch<span class="sy4">;</span>
    <span class="kw1">typedef</span> match_results<span class="sy1">&lt;</span>string<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>   smatch<span class="sy4">;</span>
    <span class="kw1">typedef</span> match_results<span class="sy1">&lt;</span>wstring<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>  wsmatch<span class="sy4">;</span>
&#160;
    <span class="co1">// match_results comparisons</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy1">==</span> <span class="br0">&#40;</span><span class="kw4">const</span> match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m1,
                         <span class="kw4">const</span> match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m2<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> operator<span class="sy3">!</span><span class="sy1">=</span> <span class="br0">&#40;</span><span class="kw4">const</span> match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m1,
                         <span class="kw4">const</span> match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m2<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">//  match_results swap:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
        <span class="kw4">void</span> swap<span class="br0">&#40;</span>match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m1,
                  match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m2<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">//  function template regex_match:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> Allocator,
              <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_match<span class="br0">&#40;</span>BidirectionalIterator first, BidirectionalIterator last,
                         match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m,
                         <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                         regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_match<span class="br0">&#40;</span>BidirectionalIterator first, BidirectionalIterator last,
                         <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                         regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> Allocator, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_match<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> str, match_results<span class="sy1">&lt;</span><span class="kw4">const</span> charT<span class="sy2">*</span>, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m,
                         <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                         regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA, <span class="kw1">class</span> Allocator, <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_match<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
            match_results<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">const_iterator</span>,
                Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_match<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> str,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA, <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_match<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">// function template regex_search:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> Allocator,
              <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_search<span class="br0">&#40;</span>BidirectionalIterator first, BidirectionalIterator last,
            match_results<span class="sy1">&lt;</span>BidirectionalIterator, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator, <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_search<span class="br0">&#40;</span>BidirectionalIterator first, BidirectionalIterator last,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> Allocator, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_search<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> str,
            match_results<span class="sy1">&lt;</span><span class="kw4">const</span> charT<span class="sy2">*</span>, Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_search<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> str,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                    regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA, <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_search<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA, <span class="kw1">class</span> Allocator, <span class="kw1">class</span> charT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
        <span class="kw4">bool</span> regex_search<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
            match_results<span class="sy1">&lt;</span>
                <span class="kw1">typename</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">const_iterator</span>,
                Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> m,
            <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">//  function template regex_replace:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> OutputIterator, <span class="kw1">class</span> BidirectionalIterator,
              <span class="kw1">class</span> traits, <span class="kw1">class</span> charT, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        OutputIterator
        regex_replace<span class="br0">&#40;</span>  OutputIterator out,
                        BidirectionalIterator first, 
                        BidirectionalIterator last,
                        <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                        <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,
                        regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> OutputIterator, <span class="kw1">class</span> BidirectionalIterator,
              <span class="kw1">class</span> traits, <span class="kw1">class</span> charT<span class="sy1">&gt;</span>
        OutputIterator
        regex_replace<span class="br0">&#40;</span>  OutputIterator out,
                        BidirectionalIterator first, 
                        BidirectionalIterator last,
                        <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                        <span class="kw4">const</span> charT<span class="sy2">*</span> fmt,
                        regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> traits, <span class="kw1">class</span> charT, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA,
              <span class="kw1">class</span> FST, <span class="kw1">class</span> FSA<span class="sy1">&gt;</span>
        basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span>
        regex_replace<span class="br0">&#40;</span>  <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
                        <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                        <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, FST, FSA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,
                        regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> traits, <span class="kw1">class</span> charT, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span>
        regex_replace<span class="br0">&#40;</span>  <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
                        <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                        <span class="kw4">const</span> charT<span class="sy2">*</span> fmt,
                        regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> traits, <span class="kw1">class</span> charT, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        basic_string<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span>
        regex_replace<span class="br0">&#40;</span>  <span class="kw4">const</span> charT<span class="sy2">*</span> s,
                        <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                        <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,
                        regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> traits, <span class="kw1">class</span> charT<span class="sy1">&gt;</span>
        basic_string<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span>
        regex_replace<span class="br0">&#40;</span>  <span class="kw4">const</span> charT<span class="sy2">*</span> s,
                        <span class="kw4">const</span> basic_regex<span class="sy1">&lt;</span>charT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> e,
                        <span class="kw4">const</span> charT<span class="sy2">*</span> fmt,
                        regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
                            regex_constants<span class="sy4">::</span><span class="me2">match_default</span><span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">// class template regex_iterator:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator,
              <span class="kw1">class</span> charT <span class="sy1">=</span> <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>
                    BidirectionalIterator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>,
              <span class="kw1">class</span> traits <span class="sy1">=</span> regex_traits<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> regex_iterator<span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> regex_iterator<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span><span class="sy1">&gt;</span>             cregex_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> regex_iterator<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span><span class="sy1">&gt;</span>          wcregex_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> regex_iterator<span class="sy1">&lt;</span>string<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>  sregex_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> regex_iterator<span class="sy1">&lt;</span>wstring<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span> wsregex_iterator<span class="sy4">;</span>
&#160;
    <span class="co1">// class template regex_token_iterator:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator,
              <span class="kw1">class</span> charT <span class="sy1">=</span> <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>
                BidirectionalIterator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>,
              <span class="kw1">class</span> traits <span class="sy1">=</span> regex_traits<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
        <span class="kw1">class</span> regex_token_iterator<span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> regex_token_iterator<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span><span class="sy1">&gt;</span>               cregex_token_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> regex_token_iterator<span class="sy1">&lt;</span><span class="kw4">const</span> <span class="kw4">wchar_t</span><span class="sy2">*</span><span class="sy1">&gt;</span>            wcregex_token_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> regex_token_iterator<span class="sy1">&lt;</span>string<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>    scregex_token_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> regex_token_iterator<span class="sy1">&lt;</span>wstring<span class="sy4">::</span><span class="me2">const_iterator</span><span class="sy1">&gt;</span>   wscregex_token_iterator<span class="sy4">;</span>
&#160;
&#160;
<span class="br0">&#125;</span> <span class="co1">// namespace std</span></pre></div></div>
<p><br />
</p>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=5" title="Edit section: Namespace std::regex constants">edit</a>]</span> <span class="mw-headline" id="Namespace_std::regex_constants_2">Namespace <span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">regex_constants</span></span></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">namespace</span> regex_constants <span class="br0">&#123;</span>
    <span class="kw1">typedef</span> <span class="coMULTI">/*T1*/</span> syntax_option_type<span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type icase <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type nosubs <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type optimize <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type collate <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type ECMAScript <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type basic <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type extended <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type awk <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type grep <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> syntax_option_type egrep <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> <span class="coMULTI">/*T2*/</span> match_flag_type<span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_default <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_not_bol <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_not_eol <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_not_bow <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_not_eow <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_any <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_not_null <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_continuous <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type match_prev_avail <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type format_default <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type format_sed <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type format_no_copy <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> match_flag_type format_first_only <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
&#160;
    <span class="kw1">typedef</span> <span class="coMULTI">/*T3*/</span> error_type<span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_collate <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_ctype <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_escape <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_backref <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_brack <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_paren <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_brace <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_badbrace <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_range <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_space <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_badrepeat <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_complexity <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> error_type error_stack <span class="sy1">=</span> <span class="coMULTI">/*unspecified*/</span> <span class="sy4">;</span>
&#160;
<span class="br0">&#125;</span></pre></div></div>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=6" title="Edit section: Class std::regex error">edit</a>]</span> <span class="mw-headline" id="Class_std::regex_error">Class <span class="t-lc"><a href="../regex/regex_error.html" title="cpp/regex/regex error">std::regex_error</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">class</span> regex_error <span class="sy4">:</span> <span class="kw1">public</span> <a href="../error/runtime_error/runtime_error.html"><span class="kw650">std::<span class="me2">runtime_error</span></span></a> <span class="br0">&#123;</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">explicit</span> regex_error<span class="br0">&#40;</span>regex_constants<span class="sy4">::</span><span class="me2">error_type</span> ecode<span class="br0">&#41;</span><span class="sy4">;</span>
    regex_constants<span class="sy4">::</span><span class="me2">error_type</span> code<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="br0">&#125;</span><span class="sy4">;</span></pre></div></div>
<p><br />
</p>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=7" title="Edit section: Class std::regex traits">edit</a>]</span> <span class="mw-headline" id="Class_std::regex_traits">Class <span class="t-lc"><a href="../regex/regex_traits.html" title="cpp/regex/regex traits">std::regex_traits</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT<span class="sy1">&gt;</span>
<span class="kw1">struct</span> regex_traits <span class="br0">&#123;</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> charT                           char_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <a href="../string/basic_string.html"><span class="kw1070">std::<span class="me2">basic_string</span></span></a><span class="sy1">&lt;</span>char_type<span class="sy1">&gt;</span>    string_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <a href="../locale/locale.html"><span class="kw1618">std::<span class="me2">locale</span></span></a>                     locale_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="coMULTI">/*bitmask_type*/</span>                char_class_type<span class="sy4">;</span>
&#160;
    regex_traits<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw4">static</span> <a href="../types/size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> length<span class="br0">&#40;</span><span class="kw4">const</span> char_type<span class="sy2">*</span> p<span class="br0">&#41;</span><span class="sy4">;</span>
    charT translate<span class="br0">&#40;</span>charT c<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    charT translate_nocase<span class="br0">&#40;</span>charT c<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ForwardIterator<span class="sy1">&gt;</span>
        string_type transform<span class="br0">&#40;</span>ForwardIterator first, ForwardIterator last<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ForwardIterator<span class="sy1">&gt;</span>
        string_type transform_primary<span class="br0">&#40;</span>
            ForwardIterator first, ForwardIterator last<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ForwardIterator<span class="sy1">&gt;</span>
        string_type lookup_collatename<span class="br0">&#40;</span>
            ForwardIterator first, ForwardIterator last<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ForwardIterator<span class="sy1">&gt;</span>
        char_class_type lookup_classname<span class="br0">&#40;</span>
            ForwardIterator first, ForwardIterator last, <span class="kw4">bool</span> icase <span class="sy1">=</span> <span class="kw2">false</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">bool</span> isctype<span class="br0">&#40;</span>charT c, char_class_type f<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">int</span> value<span class="br0">&#40;</span>charT ch, <span class="kw4">int</span> radix<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    locale_type imbue<span class="br0">&#40;</span>locale_type l<span class="br0">&#41;</span><span class="sy4">;</span>
    locale_type getloc<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="kw4">const</span><span class="sy4">;</span>
<span class="br0">&#125;</span><span class="sy4">;</span></pre></div></div>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=8" title="Edit section: Class std::regex">edit</a>]</span> <span class="mw-headline" id="Class_std::regex">Class <span class="t-lc"><a href="../regex/basic_regex.html" title="cpp/regex/basic regex">std::regex</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> charT,
    <span class="kw1">class</span> traits <span class="sy1">=</span> regex_traits<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
<span class="kw1">class</span> basic_regex <span class="br0">&#123;</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="co1">// types:</span>
    <span class="kw1">typedef</span>          charT                                  value_type<span class="sy4">;</span>
    <span class="kw1">typedef</span>          traits                                 traits_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> traits<span class="sy4">::</span><span class="me2">string_type</span>                    string_type<span class="sy4">;</span>
    <span class="kw1">typedef</span>          regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>    flag_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> traits<span class="sy4">::</span><span class="me2">locale_type</span>                    locale_type<span class="sy4">;</span>
&#160;
    <span class="co1">//  constants:</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        icase <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">icase</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        nosubs <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">nosubs</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        optimize <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">optimize</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        collate <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">collate</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        ECMAScript <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        basic <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">basic</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        extended <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">extended</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        awk <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">awk</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        grep <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">grep</span><span class="sy4">;</span>
    <span class="kw4">static</span> <span class="kw4">constexpr</span> regex_constants<span class="sy4">::</span><span class="me2">syntax_option_type</span>
        egrep <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">egrep</span><span class="sy4">;</span>
&#160;
    <span class="co1">//construct/copy/destroy:</span>
    basic_regex<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">explicit</span> basic_regex<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> p,
        flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> p, size_t len, flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="br0">&#40;</span><span class="kw4">const</span> basic_regex<span class="sy3">&amp;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="br0">&#40;</span>basic_regex<span class="sy3">&amp;&amp;</span><span class="br0">&#41;</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        <span class="kw1">explicit</span> basic_regex<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> p,
            flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ForwardIterator<span class="sy1">&gt;</span>
        basic_regex<span class="br0">&#40;</span>ForwardIterator first, ForwardIterator last,
            flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="br0">&#40;</span>initializer_list<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span>,
        flag_type <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    ~basic_regex<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> basic_regex<span class="sy3">&amp;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span>basic_regex<span class="sy3">&amp;&amp;</span><span class="br0">&#41;</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> ptr<span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span>initializer_list<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span> il<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        basic_regex<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> p<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">//  assign:</span>
    basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span><span class="kw4">const</span> basic_regex<span class="sy3">&amp;</span> that<span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span>basic_regex<span class="sy3">&amp;&amp;</span> that<span class="br0">&#41;</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> ptr,
        flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span><span class="kw4">const</span> charT<span class="sy2">*</span> p, size_t len, flag_type f<span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> string_traits, <span class="kw1">class</span> A<span class="sy1">&gt;</span>
        basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>charT, string_traits, A<span class="sy1">&gt;</span><span class="sy3">&amp;</span> s,
            flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> InputIterator<span class="sy1">&gt;</span>
        basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span>InputIterator first, InputIterator last,
            flag_type f <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
    basic_regex<span class="sy3">&amp;</span> assign<span class="br0">&#40;</span>initializer_list<span class="sy1">&lt;</span>charT<span class="sy1">&gt;</span>,
        flag_type <span class="sy1">=</span> regex_constants<span class="sy4">::</span><span class="me2">ECMAScript</span><span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">// const operations:</span>
    <span class="kw4">unsigned</span> mark_count<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    flag_type flags<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">// locale:</span>
    locale_type imbue<span class="br0">&#40;</span>locale_type loc<span class="br0">&#41;</span><span class="sy4">;</span>
    locale_type getloc<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">// swap:</span>
    <span class="kw4">void</span> swap<span class="br0">&#40;</span>basic_regex<span class="sy3">&amp;</span><span class="br0">&#41;</span><span class="sy4">;</span>
<span class="br0">&#125;</span><span class="sy4">;</span></pre></div></div>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=9" title="Edit section: Class std::sub match">edit</a>]</span> <span class="mw-headline" id="Class_std::sub_match">Class <span class="t-lc"><a href="../regex/sub_match.html" title="cpp/regex/sub match">std::sub_match</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator<span class="sy1">&gt;</span>
<span class="kw1">class</span> sub_match <span class="sy4">:</span> <span class="kw1">public</span> <a href="../utility/pair.html"><span class="kw936">std::<span class="me2">pair</span></span></a><span class="sy1">&lt;</span>BidirectionalIterator, BidirectionalIterator<span class="sy1">&gt;</span> <span class="br0">&#123;</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span><span class="sy4">::</span>
        <span class="me2">value_type</span>                                              value_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> iterator_traits<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span><span class="sy4">::</span>
    <span class="me2">difference_type</span>                                             difference_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> BidirectionalIterator                               iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> basic_string<span class="sy1">&lt;</span>value_type<span class="sy1">&gt;</span>                            string_type<span class="sy4">;</span>
&#160;
    <span class="kw4">bool</span> matched<span class="sy4">;</span>
&#160;
    <span class="kw4">constexpr</span> sub_match<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    difference_type length<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    operator string_type<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    string_type str<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="kw4">int</span> compare<span class="br0">&#40;</span><span class="kw4">const</span> sub_match<span class="sy3">&amp;</span> s<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">int</span> compare<span class="br0">&#40;</span><span class="kw4">const</span> string_type<span class="sy3">&amp;</span> s<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">int</span> compare<span class="br0">&#40;</span><span class="kw4">const</span> value_type<span class="sy2">*</span> s<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="br0">&#125;</span><span class="sy4">;</span></pre></div></div>
<h4><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/header/regex&amp;action=edit&amp;section=10" title="Edit section: Class std::match results">edit</a>]</span> <span class="mw-headline" id="Class_std::match_results">Class <span class="t-lc"><a href="../regex/match_results.html" title="cpp/regex/match results">std::match_results</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> BidirectionalIterator,
            <span class="kw1">class</span> Allocator <span class="sy1">=</span> allocator<span class="sy1">&lt;</span>sub_match<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span> <span class="sy1">&gt;</span>
<span class="kw1">class</span> match_results <span class="br0">&#123;</span>
<span class="kw1">public</span><span class="sy4">:</span>
    <span class="kw1">typedef</span> sub_match<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span>                    value_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw4">const</span> value_type<span class="sy3">&amp;</span>                                   const_reference<span class="sy4">;</span>
    <span class="kw1">typedef</span> const_reference                                     reference<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="coMULTI">/*implementation-defined*/</span>                          const_iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> const_iterator                                      iterator<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> 
        iterator_traits<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">difference_type</span> difference_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> allocator_traits<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">size_type</span>     size_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> Allocator                                           allocator_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> <span class="kw1">typename</span> 
        iterator_traits<span class="sy1">&lt;</span>BidirectionalIterator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">value_type</span>      char_type<span class="sy4">;</span>
    <span class="kw1">typedef</span> basic_string<span class="sy1">&lt;</span>char_type<span class="sy1">&gt;</span>                             string_type<span class="sy4">;</span>
&#160;
    <span class="co1">// construct/copy/destroy:</span>
    <span class="kw1">explicit</span> match_results<span class="br0">&#40;</span><span class="kw4">const</span> Allocator<span class="sy3">&amp;</span> a <span class="sy1">=</span> Allocator<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy4">;</span>
    match_results<span class="br0">&#40;</span><span class="kw4">const</span> match_results<span class="sy3">&amp;</span> m<span class="br0">&#41;</span><span class="sy4">;</span>
    match_results<span class="br0">&#40;</span>match_results<span class="sy3">&amp;&amp;</span> m<span class="br0">&#41;</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
    match_results<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span><span class="kw4">const</span> match_results<span class="sy3">&amp;</span> m<span class="br0">&#41;</span><span class="sy4">;</span>
    match_results<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">&#40;</span>match_results<span class="sy3">&amp;&amp;</span> m<span class="br0">&#41;</span><span class="sy4">;</span>
    ~match_results<span class="br0">&#40;</span><span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
    <span class="co1">// state:</span>
    <span class="kw4">bool</span> ready<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">// size:</span>
    size_type size<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    size_type max_size<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw4">bool</span> empty<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">// element access:</span>
    difference_type length<span class="br0">&#40;</span>size_type sub <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    difference_type position<span class="br0">&#40;</span>size_type sub <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    string_type str<span class="br0">&#40;</span>size_type sub <span class="sy1">=</span> <span class="nu0">0</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    const_reference operator<span class="br0">&#91;</span><span class="br0">&#93;</span><span class="br0">&#40;</span>size_type n<span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    const_reference prefix<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    const_reference suffix<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    const_iterator  begin<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    const_iterator  end<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    const_iterator  cbegin<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    const_iterator  cend<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">//  format:</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> OutputIter<span class="sy1">&gt;</span>
        OutputIter
        format<span class="br0">&#40;</span>OutputIter out,
            <span class="kw4">const</span> char_type<span class="sy2">*</span> fmt_first, <span class="kw4">const</span> char_type<span class="sy2">*</span> fmt_last,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
            regex_constants<span class="sy4">::</span><span class="me2">format_default</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> OutputIter, <span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        OutputIter
        format<span class="br0">&#40;</span>OutputIter out,
            <span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>char_type, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
            regex_constants<span class="sy4">::</span><span class="me2">format_default</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    <span class="kw1">template</span> <span class="sy1">&lt;</span><span class="kw1">class</span> ST, <span class="kw1">class</span> SA<span class="sy1">&gt;</span>
        basic_string<span class="sy1">&lt;</span>char_type, ST, SA<span class="sy1">&gt;</span>
        format<span class="br0">&#40;</span><span class="kw4">const</span> basic_string<span class="sy1">&lt;</span>char_type, ST, SA<span class="sy1">&gt;</span><span class="sy3">&amp;</span> fmt,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
            regex_constants<span class="sy4">::</span><span class="me2">format_default</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
    string_type
        format<span class="br0">&#40;</span><span class="kw4">const</span> char_type<span class="sy2">*</span> fmt,
            regex_constants<span class="sy4">::</span><span class="me2">match_flag_type</span> flags <span class="sy1">=</span>
            regex_constants<span class="sy4">::</span><span class="me2">format_default</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">// allocator:</span>
    allocator_type get_allocator<span class="br0">&#40;</span><span class="br0">&#41;</span> <span class="kw4">const</span><span class="sy4">;</span>
&#160;
    <span class="co1">// swap:</span>
    <span class="kw4">void</span> swap<span class="br0">&#40;</span>match_results<span class="sy3">&amp;</span> that<span class="br0">&#41;</span><span class="sy4">;</span>
&#160;
<span class="br0">&#125;</span><span class="sy4">;</span></pre></div></div>

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