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  27 <a name="boost.algorithm.ifind_first"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Function template ifind_first</span></h2>
  30 <p>boost::algorithm::ifind_first &#8212; Find first algorithm ( case insensitive ) </p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../string_algo/reference.html#header.boost.algorithm.string.find_hpp" title="Header &lt;boost/algorithm/string/find.hpp&gt;">boost/algorithm/string/find.hpp</a>&gt;
  34
  35 </span>
  36 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Range1T<span class="special">,</span> <span class="keyword">typename</span> Range2T<span class="special">&gt;</span>
  37   <span class="identifier">iterator_range</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special">&lt;</span> <span class="identifier">Range1T</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">&gt;</span>
  38   <span class="identifier">ifind_first</span><span class="special">(</span><span class="identifier">Range1T</span> <span class="special">&amp;</span> Input<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">Range2T</span> <span class="special">&amp;</span> Search<span class="special">,</span>
  39               <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">locale</span> <span class="special">&amp;</span> Loc <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">locale</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre></div>
  40 <div class="refsect1">
  41 <a name="idp127935968"></a><h2>Description</h2>
  42 <p>Search for the first occurrence of the substring in the input. Searching is case insensitive.</p>
  43 <p>
  44
  45 </p>
  46 <div class="note"><table border="0" summary="Note">
  47 <tr>
  48 <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td>
  49 <th align="left">Note</th>
  50 </tr>
  51 <tr><td align="left" valign="top"><p>This function provides the strong exception-safety guarantee </p></td></tr>
  52 </table></div>
  53 <p>
  54 </p>
  55 <div class="variablelist"><table border="0" class="variablelist compact">
  56 <colgroup>
  57 <col align="left" valign="top">
  58 <col>
  59 </colgroup>
  60 <tbody>
  61 <tr>
  62 <td><p><span class="term">Parameters:</span></p></td>
  63 <td><div class="variablelist"><table border="0" class="variablelist compact">
  64 <colgroup>
  65 <col align="left" valign="top">
  66 <col>
  67 </colgroup>
  68 <tbody>
  69 <tr>
  70 <td><p><span class="term"><code class="computeroutput">Input</code></span></p></td>
  71 <td><p>A string which will be searched. </p></td>
  72 </tr>
  73 <tr>
  74 <td><p><span class="term"><code class="computeroutput">Loc</code></span></p></td>
  75 <td><p>A locale used for case insensitive comparison </p></td>
  76 </tr>
  77 <tr>
  78 <td><p><span class="term"><code class="computeroutput">Search</code></span></p></td>
  79 <td><p>A substring to be searched for. </p></td>
  80 </tr>
  81 </tbody>
  82 </table></div></td>
  83 </tr>
  84 <tr>
  85 <td><p><span class="term">Returns:</span></p></td>
  86 <td><p>An <code class="computeroutput">iterator_range</code> delimiting the match. Returned iterator is either <code class="computeroutput">Range1T::iterator</code> or <code class="computeroutput">Range1T::const_iterator</code>, depending on the constness of the input parameter.</p></td>
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  94 <td align="right"><div class="copyright-footer">Copyright &#169; 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost
  95                 Software License, Version 1.0. (See accompanying file
  96                 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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