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<!DOCTYPE html>
<html lang="en" dir="ltr" class="no-js">
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    <title>en:midx [BASIC 256 - Language Documentation]</title>
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        <h1><a href="start.html"  accesskey="h" title="[H]"><img src="lib/tpl/dokuwiki/images/logo.png" width="64" height="64" alt="" /> <span>BASIC 256 - Language Documentation</span></a></h1>
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                            <div class="youarehere"><span class="bchead">You are here: </span><span class="home"><bdi><a href="start.html" class="wikilink1" title="start">start</a></bdi></span> » <bdi><a href="en_start.html" class="wikilink1" title="en:start">en</a></bdi> » <bdi><span class="curid"><a href="en_midx.html" class="wikilink1" title="en:midx">midx</a></span></bdi></div>
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                <div class="pageId"><span>en:midx</span></div>
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<h3 class="toggle">Table of Contents</h3>
<div>
<ul class="toc">
<li class="level2"><div class="li"><a href="en_midx.html#midx_function">MidX (Function)</a></div>
<ul class="toc">
<li class="level3"><div class="li"><a href="en_midx.html#format">Format</a></div></li>
<li class="level3"><div class="li"><a href="en_midx.html#description">Description</a></div></li>
<li class="level3"><div class="li"><a href="en_midx.html#note">Note</a></div></li>
<li class="level3"><div class="li"><a href="en_midx.html#example">Example</a></div></li>
<li class="level3"><div class="li"><a href="en_midx.html#notes">Notes</a></div></li>
<li class="level3"><div class="li"><a href="en_midx.html#see_also">See Also</a></div></li>
<li class="level3"><div class="li"><a href="en_midx.html#history">History</a></div></li>
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<h2 class="sectionedit1" id="midx_function">MidX (Function)</h2>
<div class="level2">
</div>
<h3 class="sectionedit2" id="format">Format</h3>
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<p>
<strong>midx</strong> ( <em><a class="explain" href="en_expressions.html#string_expressions">haystack_expr</a></em> , <em><a class="explain" href="en_expressions.html#string_expressions">regex_expr</a></em> )<br/>
<strong>midx</strong> ( <em><a class="explain" href="en_expressions.html#string_expressions">haystack_expr</a></em> , <em><a class="explain" href="en_expressions.html#string_expressions">regex_expr</a></em> , <em><a class="explain" href="en_expressions.html#numeric_expressions">start_expr</a></em> )
</p>
<p>
returns <em><a class="explain" href="en_expressions.html#string_expressions">string_expr</a></em>
</p>
</div>
<h3 class="sectionedit3" id="description">Description</h3>
<div class="level3">
<p>
Returns the first substring that was matched by the regular expression.  If the expression does not match anything the emoty string ”” will be returned. You may also specify an optional starting location for the search to begin <em><a class="explain" href="en_expressions.html#numeric_expressions">start_expr</a></em>.
</p>
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<h3 class="sectionedit4" id="note">Note</h3>
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<p>
String indices begin at 1.
</p>
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<h3 class="sectionedit5" id="example">Example</h3>
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<pre class="code">print midx(&quot;HeLLo&quot;, &quot;[Ll]o&quot;)
print midx(&quot;Hello, Kitti&quot;,&quot;[Ii]&quot;,10)</pre>
<p>
will display
</p>
<pre class="code">Lo
i</pre>
</div>
<h3 class="sectionedit6" id="notes">Notes</h3>
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<p>
By default the nature of regular expressions is “greedy”. This behaviour can be changed using the <a href="en_regexminimal.html" class="wikilink1" title="en:regexminimal">RegexMinimal</a> statement.
</p>
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<h3 class="sectionedit7" id="see_also">See Also</h3>
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<a href="en_asc.html" class="wikilink1" title="en:asc">Asc</a>, <a href="en_chr.html" class="wikilink1" title="en:chr">Chr</a>, <a href="en_count.html" class="wikilink1" title="en:count">Count</a>, <a href="en_countx.html" class="wikilink1" title="en:countx">Countx</a>, <a href="en_explode.html" class="wikilink1" title="en:explode">Explode</a>, <a href="en_explodex.html" class="wikilink1" title="en:explodex">Explodex</a>, <a href="en_implode.html" class="wikilink1" title="en:implode">Implode</a>, <a href="en_instr.html" class="wikilink1" title="en:instr">Instr</a>, <a href="en_instrx.html" class="wikilink1" title="en:instrx">Instrx</a>, <a href="en_left.html" class="wikilink1" title="en:left">Left</a>, <a href="en_length.html" class="wikilink1" title="en:length">Length</a>, <a href="en_lower.html" class="wikilink1" title="en:lower">Lower</a>, <a href="en_md5.html" class="wikilink1" title="en:md5">MD5</a>, <a href="en_mid.html" class="wikilink1" title="en:mid">Mid</a>, <span class="curid"><a href="en_midx.html" class="wikilink1" title="en:midx">Midx</a></span>, <a href="en_replace.html" class="wikilink1" title="en:replace">Replace</a>, <a href="en_replacex.html" class="wikilink1" title="en:replacex">Replacex</a>, <a href="en_right.html" class="wikilink1" title="en:right">Right</a>, <a href="en_string.html" class="wikilink1" title="en:string">String</a>, <a href="en_upper.html" class="wikilink1" title="en:upper">Upper</a>
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<h3 class="sectionedit11" id="history">History</h3>
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		<td class="col0">1.1.2.7</td><td class="col1">New To Version</td>
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                <div class="docInfo"><bdi>en/midx.txt</bdi> · Last modified: 2014/08/06 20:16 by <bdi>admin</bdi></div>
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