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boost_regex/doc/character_class_names.html
John Maddock 71a0e020e2 merged changes in regex5 branch 
[SVN r26692]
2005-01-13 17:06:21 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Boost.Regex: Character Class Names</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" type="text/css" href="../../../boost.css">
</head>
<body>
<P>
<TABLE id="Table1" cellSpacing="1" cellPadding="1" width="100%" border="0">
<TR>
<td valign="top" width="300">
<h3><a href="../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../boost.png" border="0"></a></h3>
</td>
<TD width="353">
<H1 align="center">Boost.Regex</H1>
<H2 align="center">Character Class Names.</H2>
</TD>
<td width="50">
<h3><a href="index.html"><img height="45" width="43" alt="Boost.Regex Index" src="uarrow.gif" border="0"></a></h3>
</td>
</TR>
</TABLE>
</P>
<HR>
<p></p>
<H3>Contents</H3>
<dl class="index">
<dt><a href="#always">Character Classes that are Always Supported</a> <dt><a href="#unicode">
Character classes that are supported by Unicode Regular Expressions</a></dt>
</dl>
<H3><A name="always"></A>Character Classes that are Always Supported</H3>
<P>The following character class names are always supported by Boost.Regex:</P>
<P>
<TABLE id="Table2" cellSpacing="1" cellPadding="1" width="100%" border="1">
<TR>
<TD><STRONG>Name</STRONG></TD>
<TD><STRONG>POSIX-standard name</STRONG></TD>
<TD><STRONG>Description</STRONG></TD>
</TR>
<TR>
<TD>alnum</TD>
<TD>Yes</TD>
<TD>Any alpha-numeric character.</TD>
</TR>
<TR>
<TD>alpha</TD>
<TD>Yes</TD>
<TD>Any alphabetic character.</TD>
</TR>
<TR>
<TD>blank</TD>
<TD>Yes</TD>
<TD>Any whitespace character that is not a line separator.</TD>
</TR>
<TR>
<TD>cntrl</TD>
<TD>Yes</TD>
<TD>Any control character.</TD>
</TR>
<TR>
<TD>d</TD>
<TD>No</TD>
<TD>Any decimal digit</TD>
</TR>
<TR>
<TD>digit</TD>
<TD>Yes</TD>
<TD>Any decimal digit.</TD>
</TR>
<TR>
<TD>graph</TD>
<TD>Yes</TD>
<TD>Any graphical character.</TD>
</TR>
<TR>
<TD>l</TD>
<TD>No</TD>
<TD>Any lower case character.</TD>
</TR>
<TR>
<TD>lower</TD>
<TD>Yes</TD>
<TD>Any lower case character.</TD>
</TR>
<TR>
<TD>print</TD>
<TD>Yes</TD>
<TD>Any printable character.</TD>
</TR>
<TR>
<TD>punct</TD>
<TD>Yes</TD>
<TD>Any punctuation character.</TD>
</TR>
<TR>
<TD>s</TD>
<TD>No</TD>
<TD>Any whitespace character.</TD>
</TR>
<TR>
<TD>space</TD>
<TD>Yes</TD>
<TD>Any whitespace character.</TD>
</TR>
<TR>
<TD>unicode</TD>
<TD>No</TD>
<TD>Any extended character whose code point is above 255 in value.</TD>
</TR>
<TR>
<TD>u</TD>
<TD>No</TD>
<TD>Any upper case character.</TD>
</TR>
<TR>
<TD>upper</TD>
<TD>Yes</TD>
<TD>Any upper case character.</TD>
</TR>
<TR>
<TD>w</TD>
<TD>No</TD>
<TD>Any word character (alphanumeric characters plus the underscore).</TD>
</TR>
<TR>
<TD>word</TD>
<TD>No</TD>
<TD>Any word character (alphanumeric characters plus the underscore).</TD>
</TR>
<TR>
<TD>xdigit</TD>
<TD>Yes</TD>
<TD>Any hexadecimal digit character.</TD>
</TR>
</TABLE>
</P>
<P>
<H3><A name="unicode"></A>Character classes that are supported by Unicode Regular
Expressions</H3>
<P>The following character classes are only supported by <A href="icu_strings.html">Unicode
Regular Expressions</A>: that is those that use the u32regex type.&nbsp; The
names used are the same as those from <A href="http://www.unicode.org/versions/Unicode4.0.0/ch04.pdf#G124142">
Chapter 4 of the Unicode standard</A>.</P>
<table width="100%" ID="Table3">
<tr>
<td><b>Short Name</b></td>
<td><b>Long Name</b></td>
</tr>
<tr>
<td>
</td>
<td>ASCII</td>
</tr>
<tr>
<td>
</td>
<td>Any</td>
</tr>
<tr>
<td>
</td>
<td>Assigned</td>
</tr>
<tr>
<td>C*</td>
<td>Other</td>
</tr>
<tr>
<td>Cc</td>
<td>Control</td>
</tr>
<tr>
<td>Cf</td>
<td>Format</td>
</tr>
<tr>
<td>Cn</td>
<td>Not Assigned</td>
</tr>
<tr>
<td>Co</td>
<td>Private Use</td>
</tr>
<tr>
<td>Cs</td>
<td>Surrogate</td>
</tr>
<tr>
<td>L*</td>
<td>Letter</td>
</tr>
<tr>
<td>Ll</td>
<td>Lowercase Letter</td>
</tr>
<tr>
<td>Lm</td>
<td>Modifier Letter</td>
</tr>
<tr>
<td>Lo</td>
<td>Other Letter</td>
</tr>
<tr>
<td>Lt</td>
<td>Titlecase</td>
</tr>
<tr>
<td>Lu</td>
<td>Uppercase Letter</td>
</tr>
<tr>
<td>M*</td>
<td>Mark</td>
</tr>
<tr>
<td>Mc</td>
<td>Spacing Combining Mark</td>
</tr>
<tr>
<td>Me</td>
<td>Enclosing Mark</td>
</tr>
<tr>
<td>Mn</td>
<td>Non-Spacing Mark</td>
</tr>
<tr>
<td>N*</td>
<td>Number</td>
</tr>
<tr>
<td>Nd</td>
<td>Decimal Digit Number</td>
</tr>
<tr>
<td>Nl</td>
<td>Letter Number</td>
</tr>
<tr>
<td>No</td>
<td>Other Number</td>
</tr>
<tr>
<td>P*</td>
<td>Punctuation</td>
</tr>
<tr>
<td>Pc</td>
<td>Connector Punctuation</td>
</tr>
<tr>
<td>Pd</td>
<td>Dash Punctuation</td>
</tr>
<tr>
<td>Pe</td>
<td>Close Punctuation</td>
</tr>
<tr>
<td>Pf</td>
<td>Final Punctuation</td>
</tr>
<tr>
<td>Pi</td>
<td>Initial Punctuation</td>
</tr>
<tr>
<td>Po</td>
<td>Other Punctuation</td>
</tr>
<tr>
<td>Ps</td>
<td>Open Punctuation</td>
</tr>
<tr>
<td>S*</td>
<td>Symbol</td>
</tr>
<tr>
<td>Sc</td>
<td>Currency Symbol</td>
</tr>
<tr>
<td>Sk</td>
<td>Modifier Symbol</td>
</tr>
<tr>
<td>Sm</td>
<td>Math Symbol</td>
</tr>
<tr>
<td>So</td>
<td>Other Symbol</td>
</tr>
<tr>
<td>Z*</td>
<td>Separator</td>
</tr>
<tr>
<td>Zl</td>
<td>Line Separator</td>
</tr>
<tr>
<td>Zp</td>
<td>Paragraph Separator</td>
</tr>
<tr>
<td>Zs</td>
<td>Space Separator</td>
</tr>
</table>
<HR>
<P></P>
<P></P>
<p>Revised&nbsp;&nbsp;
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
10&nbsp;Jan 2005&nbsp;
<!--webbot bot="Timestamp" endspan i-checksum="39359" --></p>
<p><i><EFBFBD> Copyright John Maddock&nbsp;2004-5</i></p>
<P><I>Use, modification and distribution are subject to the Boost Software License,
Version 1.0. (See accompanying file <A href="../../../LICENSE_1_0.txt">LICENSE_1_0.txt</A>
or copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)</I></P>
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