1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Function template find_nth</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../string_algo/reference.html#header.boost.algorithm.string.find_hpp" title="Header <boost/algorithm/string/find.hpp>"> 10<link rel="prev" href="ifind_last.html" title="Function template ifind_last"> 11<link rel="next" href="ifind_nth.html" title="Function template ifind_nth"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="ifind_last.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.find_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="ifind_nth.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.algorithm.find_nth"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Function template find_nth</span></h2> 30<p>boost::algorithm::find_nth — Find n-th algorithm. </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: <<a class="link" href="../../string_algo/reference.html#header.boost.algorithm.string.find_hpp" title="Header <boost/algorithm/string/find.hpp>">boost/algorithm/string/find.hpp</a>> 34 35</span> 36<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Range1T<span class="special">,</span> <span class="keyword">typename</span> Range2T<span class="special">></span> 37 <span class="identifier">iterator_range</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span> <span class="identifier">Range1T</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <span class="special">></span> 38 <span class="identifier">find_nth</span><span class="special">(</span><span class="identifier">Range1T</span> <span class="special">&</span> Input<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">Range2T</span> <span class="special">&</span> Search<span class="special">,</span> <span class="keyword">int</span> Nth<span class="special">)</span><span class="special">;</span></pre></div> 39<div class="refsect1"> 40<a name="id-1.3.3.9.9.9.4"></a><h2>Description</h2> 41<p>Search for the n-th (zero-indexed) occurrence of the substring in the input.</p> 42<p> 43 44</p> 45<div class="variablelist"><table border="0" class="variablelist compact"> 46<colgroup> 47<col align="left" valign="top"> 48<col> 49</colgroup> 50<tbody> 51<tr> 52<td><p><span class="term">Parameters:</span></p></td> 53<td><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"><code class="computeroutput">Input</code></span></p></td> 61<td><p>A string which will be searched. </p></td> 62</tr> 63<tr> 64<td><p><span class="term"><code class="computeroutput">Nth</code></span></p></td> 65<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> 66</tr> 67<tr> 68<td><p><span class="term"><code class="computeroutput">Search</code></span></p></td> 69<td><p>A substring to be searched for. </p></td> 70</tr> 71</tbody> 72</table></div></td> 73</tr> 74<tr> 75<td><p><span class="term">Returns:</span></p></td> 76<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> 77</tr> 78</tbody> 79</table></div> 80</div> 81</div> 82<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 83<td align="left"></td> 84<td align="right"><div class="copyright-footer">Copyright © 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost 85 Software License, Version 1.0. (See accompanying file 86 <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>) 87 </p> 88</div></td> 89</tr></table> 90<hr> 91<div class="spirit-nav"> 92<a accesskey="p" href="ifind_last.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.find_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="ifind_nth.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 93</div> 94</body> 95</html> 96