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<div class="refentry">
<a name="boost.algorithm.ifind_nth"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Function template ifind_nth</span></h2>
<p>boost::algorithm::ifind_nth &#8212; Find n-th algorithm ( case insensitive ). </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<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;

</span>
<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> 
  <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> 
  <span class="identifier">ifind_nth</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="keyword">int</span> Nth<span class="special">,</span> 
            <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>
<div class="refsect1">
<a name="idp128074112"></a><h2>Description</h2>
<p>Search for the n-th (zero-indexed) occurrence of the substring in the input. Searching is case insensitive.</p>
<p>

</p>
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<th align="left">Note</th>
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<tr><td align="left" valign="top"><p>This function provides the strong exception-safety guarantee </p></td></tr>
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<td><p><span class="term">Parameters:</span></p></td>
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<td><p><span class="term"><code class="computeroutput">Input</code></span></p></td>
<td><p>A string which will be searched. </p></td>
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<td><p><span class="term"><code class="computeroutput">Loc</code></span></p></td>
<td><p>A locale used for case insensitive comparison </p></td>
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<td><p><span class="term"><code class="computeroutput">Nth</code></span></p></td>
<td><p>An index (zero-indexed) of the match to be found. For negative N, the matches are counted from the end of string. </p></td>
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<td><p><span class="term"><code class="computeroutput">Search</code></span></p></td>
<td><p>A substring to be searched for. </p></td>
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<td><p><span class="term">Returns:</span></p></td>
<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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<td align="right"><div class="copyright-footer">Copyright &#169; 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost
                Software License, Version 1.0. (See accompanying file
                <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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