1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Digraphs</title> 5<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Boost.Regex 5.1.4"> 8<link rel="up" href="../collating_names.html" title="Collating Names"> 9<link rel="prev" href="../collating_names.html" title="Collating Names"> 10<link rel="next" href="posix_symbolic_names.html" title="POSIX Symbolic Names"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="../collating_names.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../collating_names.html"><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="posix_symbolic_names.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_regex.syntax.collating_names.digraphs"></a><a class="link" href="digraphs.html" title="Digraphs">Digraphs</a> 28</h4></div></div></div> 29<p> 30 The following are treated as valid digraphs when used as a collating name: 31 </p> 32<p> 33 "ae", "Ae", "AE", "ch", "Ch", 34 "CH", "ll", "Ll", "LL", "ss", 35 "Ss", "SS", "nj", "Nj", "NJ", 36 "dz", "Dz", "DZ", "lj", "Lj", 37 "LJ". 38 </p> 39<p> 40 So for example the expression: 41 </p> 42<pre class="programlisting">[[.ae.]-c] </pre> 43<p> 44 will match any character that collates between the digraph "ae" 45 and the character "c". 46 </p> 47</div> 48<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 49<td align="left"></td> 50<td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p> 51 Distributed under the Boost Software License, Version 1.0. (See accompanying 52 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 53 </p> 54</div></td> 55</tr></table> 56<hr> 57<div class="spirit-nav"> 58<a accesskey="p" href="../collating_names.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../collating_names.html"><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="posix_symbolic_names.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 59</div> 60</body> 61</html> 62
