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  26 <a name="boost.algorithm.find_first"></a><div class="titlepage"></div>
  27 <div class="refnamediv">
  28 <h2><span class="refentrytitle">Function template find_first</span></h2>
  29 <p>boost::algorithm::find_first &#8212; Find first algorithm. </p>
  30 </div>
  31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  32 <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;
  33
  34 </span>
  35 <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>
  36   <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>
  37   <span class="identifier">find_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><span class="special">;</span></pre></div>
  38 <div class="refsect1">
  39 <a name="idp434055312"></a><h2>Description</h2>
  40 <p>Search for the first occurrence of the substring in the input.</p>
  41 <p>
  42
  43 </p>
  44 <div class="note"><table border="0" summary="Note">
  45 <tr>
  46 <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td>
  47 <th align="left">Note</th>
  48 </tr>
  49 <tr><td align="left" valign="top"><p>This function provides the strong exception-safety guarantee </p></td></tr>
  50 </table></div>
  51 <p>
  52 </p>
  53 <div class="variablelist"><table border="0" class="variablelist compact">
  54 <colgroup>
  55 <col align="left" valign="top">
  56 <col>
  57 </colgroup>
  58 <tbody>
  59 <tr>
  60 <td><p><span class="term">Parameters:</span></p></td>
  61 <td><div class="variablelist"><table border="0" class="variablelist compact">
  62 <colgroup>
  63 <col align="left" valign="top">
  64 <col>
  65 </colgroup>
  66 <tbody>
  67 <tr>
  68 <td><p><span class="term"><code class="computeroutput">Input</code></span></p></td>
  69 <td><p>A string which will be searched. </p></td>
  70 </tr>
  71 <tr>
  72 <td><p><span class="term"><code class="computeroutput">Search</code></span></p></td>
  73 <td><p>A substring to be searched for. </p></td>
  74 </tr>
  75 </tbody>
  76 </table></div></td>
  77 </tr>
  78 <tr>
  79 <td><p><span class="term">Returns:</span></p></td>
  80 <td><p>An <code class="computeroutput">iterator_range</code> delimiting the match. Returned iterator is either <code class="computeroutput">RangeT::iterator</code> or <code class="computeroutput">RangeT::const_iterator</code>, depending on the constness of the input parameter.</p></td>
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  88 <td align="right"><div class="copyright-footer">Copyright &#169; 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost
  89                 Software License, Version 1.0. (See accompanying file
  90                 <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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