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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>ispunct<span style="font-size:0.7em; line-height:130%">(std::locale)</span></h1>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="isgraph.html" title="cpp/locale/isgraph"><span class="t-lines"><span>isgraph</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Conversions</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="toupper.html" title="cpp/locale/toupper"><span class="t-lines"><span>toupper</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tolower.html" title="cpp/locale/tolower"><span class="t-lines"><span>tolower</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="wstring_convert.html" title="cpp/locale/wstring convert"><span class="t-lines"><span>wstring_convert</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></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="wbuffer_convert.html" title="cpp/locale/wbuffer convert"><span class="t-lines"><span>wbuffer_convert</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></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Facet category base classes</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ctype_base.html" title="cpp/locale/ctype base"><span class="t-lines"><span>ctype_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt_base.html" title="cpp/locale/codecvt base"><span class="t-lines"><span>codecvt_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="messages_base.html" title="cpp/locale/messages base"><span class="t-lines"><span>messages_base</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_base.html" title="cpp/locale/time base"><span class="t-lines"><span>time_base</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="money_base.html" title="cpp/locale/money base"><span class="t-lines"><span>money_base</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Facet categories</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ctype.html" title="cpp/locale/ctype"><span class="t-lines"><span>ctype</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ctype_char.html" title="cpp/locale/ctype char"><span class="t-lines"><span>ctype<char></span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt.html" title="cpp/locale/codecvt"><span class="t-lines"><span>codecvt</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="collate.html" title="cpp/locale/collate"><span class="t-lines"><span>collate</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="messages.html" title="cpp/locale/messages"><span class="t-lines"><span>messages</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_get.html" title="cpp/locale/time get"><span class="t-lines"><span>time_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_put.html" title="cpp/locale/time put"><span class="t-lines"><span>time_put</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="num_get.html" title="cpp/locale/num get"><span class="t-lines"><span>num_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="num_put.html" title="cpp/locale/num put"><span class="t-lines"><span>num_put</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="numpunct.html" title="cpp/locale/numpunct"><span class="t-lines"><span>numpunct</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="money_get.html" title="cpp/locale/money get"><span class="t-lines"><span>money_get</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="money_put.html" title="cpp/locale/money put"><span class="t-lines"><span>money_put</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="moneypunct.html" title="cpp/locale/moneypunct"><span class="t-lines"><span>moneypunct</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Locale-specific facets</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ctype_byname.html" title="cpp/locale/ctype byname"><span class="t-lines"><span>ctype_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt_byname.html" title="cpp/locale/codecvt byname"><span class="t-lines"><span>codecvt_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="messages_byname.html" title="cpp/locale/messages byname"><span class="t-lines"><span>messages_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="collate_byname.html" title="cpp/locale/collate byname"><span class="t-lines"><span>collate_byname</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_get_byname.html" title="cpp/locale/time get byname"><span class="t-lines"><span>time_get_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_put_byname.html" title="cpp/locale/time put byname"><span class="t-lines"><span>time_put_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="numpunct_byname.html" title="cpp/locale/numpunct byname"><span class="t-lines"><span>numpunct_byname</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="moneypunct_byname.html" title="cpp/locale/moneypunct byname"><span class="t-lines"><span>moneypunct_byname</span></span></a></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Code conversion facets</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt_utf8.html" title="cpp/locale/codecvt utf8"><span class="t-lines"><span>codecvt_utf8</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></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt_utf16.html" title="cpp/locale/codecvt utf16"><span class="t-lines"><span>codecvt_utf16</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></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt_utf8_utf16.html" title="cpp/locale/codecvt utf8 utf16"><span class="t-lines"><span>codecvt_utf8_utf16</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></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="codecvt_mode.html" title="cpp/locale/codecvt mode"><span class="t-lines"><span>codecvt_mode</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></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> C locale</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="setlocale.html" title="cpp/locale/setlocale"><span class="t-lines"><span>setlocale</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="localeconv.html" title="cpp/locale/localeconv"><span class="t-lines"><span>localeconv</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="lconv.html" title="cpp/locale/lconv"><span class="t-lines"><span>lconv</span></span></a></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="LC_categories.html" title="cpp/locale/LC categories"><span class="t-lines"><span>LC_ALL</span><span>LC_COLLATE</span><span>LC_CTYPE</span><span>LC_MONETARY</span><span>LC_NUMERIC</span><span>LC_TIME</span></span></a></div></div></td></tr>
</table></div></td></tr>
</table></div><div><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/locale/navbar_content&action=edit">[edit]</a></span></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dsc-header">
<td> <div>Defined in header <code><a href="../header/locale.html" title="cpp/header/locale"><locale></a></code>
</div></td>
<td></td>
<td></td>
</tr><tr class="t-dcl">
<td class="t-dcl-nopad"> <div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1"><</span> <span class="kw1">class</span> charT <span class="sy1">></span><br />
<span class="kw4">bool</span> ispunct<span class="br0">(</span> charT ch, <span class="kw4">const</span> locale<span class="sy3">&</span> loc <span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td class="t-dcl-nopad"> </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>Checks if the given character is classified as an punctuation character by the given locale's <span class="t-lc"><a href="ctype.html" title="cpp/locale/ctype">std::ctype</a></span> facet.
</p>
<table id="toc" class="toc"><tr><td><div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1 tocsection-1"><a href="ispunct.html#Parameters"><span class="tocnumber">1</span> <span class="toctext">Parameters</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="ispunct.html#Return_value"><span class="tocnumber">2</span> <span class="toctext">Return value</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="ispunct.html#Possible_implementation"><span class="tocnumber">3</span> <span class="toctext">Possible implementation</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="ispunct.html#Example"><span class="tocnumber">4</span> <span class="toctext">Example</span></a></li>
<li class="toclevel-1 tocsection-5"><a href="ispunct.html#See_also"><span class="tocnumber">5</span> <span class="toctext">See also</span></a></li>
</ul>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/ispunct&action=edit&section=1" title="Edit section: Parameters">edit</a>]</span> <span class="mw-headline" id="Parameters">Parameters</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td> ch
</td>
<td> -
</td>
<td> character
</td></tr>
<tr class="t-par">
<td> loc
</td>
<td> -
</td>
<td> locale
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/ispunct&action=edit&section=2" title="Edit section: Return value">edit</a>]</span> <span class="mw-headline" id="Return_value">Return value</span></h3>
<p>Returns <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> if the character is classified as punctuation, <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> otherwise.
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/ispunct&action=edit&section=3" title="Edit section: Possible implementation">edit</a>]</span> <span class="mw-headline" id="Possible_implementation">Possible implementation</span></h3>
<table class="eq-fun-cpp-table">
<tr>
<td>
<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"><</span> <span class="kw1">class</span> charT <span class="sy1">></span>
<span class="kw4">bool</span> ispunct<span class="br0">(</span> charT ch, <span class="kw4">const</span> <a href="locale.html"><span class="kw1574">std::<span class="me2">locale</span></span></a><span class="sy3">&</span> loc <span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">return</span> <a href="use_facet.html"><span class="kw1577">std::<span class="me2">use_facet</span></span></a><span class="sy1"><</span><a href="ctype.html"><span class="kw1618">std::<span class="me2">ctype</span></span></a><span class="sy1"><</span>charT<span class="sy1">>></span><span class="br0">(</span>loc<span class="br0">)</span>.<span class="me1">is</span><span class="br0">(</span><a href="ctype_base.html"><span class="kw1590">std::<span class="me2">ctype_base</span><span class="sy4">::</span><span class="me2">punct</span></span></a>, ch<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/ispunct&action=edit&section=4" title="Edit section: Example">edit</a>]</span> <span class="mw-headline" id="Example">Example</span></h3>
<div class="t-example"><p> Demonstrates the use of ispunct() with different locales (OS-specific).
</p><div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include <iostream></span>
<span class="co2">#include <locale></span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">const</span> <span class="kw4">wchar_t</span> c <span class="sy1">=</span> L<span class="st0">'<span class="es3">\u214b</span>'</span><span class="sy4">;</span> <span class="co1">// upside-down ampersand</span>
 
<a href="locale.html"><span class="kw1574">std::<span class="me2">locale</span></span></a> loc1<span class="br0">(</span><span class="st0">"C"</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../io/basic_ostream.html"><span class="kw1439">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"ispunct('⅋', C locale) returned "</span>
<span class="sy1"><<</span> <a href="../io/manip/boolalpha.html"><span class="kw1445">std::<span class="me2">boolalpha</span></span></a> <span class="sy1"><<</span> <a href="../string/byte/ispunct.html"><span class="kw939">std::<span class="me2">ispunct</span></span></a><span class="br0">(</span>c, loc1<span class="br0">)</span> <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
 
<a href="locale.html"><span class="kw1574">std::<span class="me2">locale</span></span></a> loc2<span class="br0">(</span><span class="st0">"en_US.UTF-8"</span><span class="br0">)</span><span class="sy4">;</span>
<a href="../io/basic_ostream.html"><span class="kw1439">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"ispunct('⅋', Unicode locale) returned "</span>
<span class="sy1"><<</span> <a href="../io/manip/boolalpha.html"><span class="kw1445">std::<span class="me2">boolalpha</span></span></a> <span class="sy1"><<</span> <a href="../string/byte/ispunct.html"><span class="kw939">std::<span class="me2">ispunct</span></span></a><span class="br0">(</span>c, loc2<span class="br0">)</span> <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">isalpha('⅋', C locale) returned false
isalpha('⅋', Unicode locale) returned true</pre></div></div>
</div>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=cpp/locale/ispunct&action=edit&section=5" title="Edit section: See also">edit</a>]</span> <span class="mw-headline" id="See_also">See also</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../string/byte/ispunct.html" title="cpp/string/byte/ispunct"> <span class="t-lines"><span>ispunct</span></span></a></div></div>
</td>
<td> checks if a character is a punctuation character <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/string/byte/dsc_ispunct&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="../string/wide/iswpunct.html" title="cpp/string/wide/iswpunct"> <span class="t-lines"><span>iswpunct</span></span></a></div></div>
</td>
<td> checks if a wide character is a punctuation character <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/string/wide/dsc_iswpunct&action=edit">[edit]</a></span>
</td></tr>
</table>
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