CVSROOT: /webcvs/grep Module name: grep Changes by: Jim Meyering <meyering> 22/09/03 15:33:15
Index: html_node/Character-Classes-and-Bracket-Expressions.html =================================================================== RCS file: /webcvs/grep/grep/manual/html_node/Character-Classes-and-Bracket-Expressions.html,v retrieving revision 1.32 retrieving revision 1.33 diff -u -b -r1.32 -r1.33 --- html_node/Character-Classes-and-Bracket-Expressions.html 14 Aug 2021 20:46:40 -0000 1.32 +++ html_node/Character-Classes-and-Bracket-Expressions.html 3 Sep 2022 19:33:14 -0000 1.33 @@ -5,7 +5,7 @@ <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <!-- This manual is for grep, a pattern matching engine. -Copyright (C) 1999-2002, 2005, 2008-2021 Free Software Foundation, +Copyright (C) 1999-2002, 2005, 2008-2022 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document @@ -14,10 +14,10 @@ Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". --> -<title>Character Classes and Bracket Expressions (GNU Grep 3.7)</title> +<title>Character Classes and Bracket Expressions (GNU Grep 3.8)</title> -<meta name="description" content="Character Classes and Bracket Expressions (GNU Grep 3.7)"> -<meta name="keywords" content="Character Classes and Bracket Expressions (GNU Grep 3.7)"> +<meta name="description" content="Character Classes and Bracket Expressions (GNU Grep 3.8)"> +<meta name="keywords" content="Character Classes and Bracket Expressions (GNU Grep 3.8)"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="makeinfo"> @@ -27,7 +27,7 @@ <link href="Index.html" rel="index" title="Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Regular-Expressions.html" rel="up" title="Regular Expressions"> -<link href="The-Backslash-Character-and-Special-Expressions.html" rel="next" title="The Backslash Character and Special Expressions"> +<link href="Special-Backslash-Expressions.html" rel="next" title="Special Backslash Expressions"> <link href="Fundamental-Structure.html" rel="prev" title="Fundamental Structure"> <style type="text/css"> <!-- @@ -57,7 +57,7 @@ <div class="section" id="Character-Classes-and-Bracket-Expressions"> <div class="header"> <p> -Next: <a href="The-Backslash-Character-and-Special-Expressions.html" accesskey="n" rel="next">The Backslash Character and Special Expressions</a>, Previous: <a href="Fundamental-Structure.html" accesskey="p" rel="prev">Fundamental Structure</a>, Up: <a href="Regular-Expressions.html" accesskey="u" rel="up">Regular Expressions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> +Next: <a href="Special-Backslash-Expressions.html" accesskey="n" rel="next">Special Backslash Expressions</a>, Previous: <a href="Fundamental-Structure.html" accesskey="p" rel="prev">Fundamental Structure</a>, Up: <a href="Regular-Expressions.html" accesskey="u" rel="up">Regular Expressions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> </div> <hr> <span id="Character-Classes-and-Bracket-Expressions-1"></span><h3 class="section">3.2 Character Classes and Bracket Expressions</h3> @@ -86,7 +86,7 @@ In other locales, the sorting sequence is not specified, and ‘<samp>[a-d]</samp>’ might be equivalent to ‘<samp>[abcd]</samp>’ or to ‘<samp>[aBbCcDd]</samp>’, or it might fail to match any character, or the set of -characters that it matches might even be erratic. +characters that it matches might be erratic, or it might be invalid. To obtain the traditional interpretation of bracket expressions, you can use the ‘<samp>C</samp>’ locale by setting the <code>LC_ALL</code> environment variable to the value ‘<samp>C</samp>’. @@ -188,11 +188,10 @@ part of the symbolic names, and must be included in addition to the brackets delimiting the bracket expression. </p> -<span id="invalid_002dbracket_002dexpr"></span><p>If you mistakenly omit the outer brackets, and search for say, ‘<samp>[:upper:]</samp>’, +<p>If you mistakenly omit the outer brackets, and search for say, ‘<samp>[:upper:]</samp>’, GNU <code>grep</code> prints a diagnostic and exits with status 2, on -the assumption that you did not intend to search for the nominally -equivalent regular expression: ‘<samp>[:epru]</samp>’. -Set the <code>POSIXLY_CORRECT</code> environment variable to disable this feature. +the assumption that you did not intend to search for the +regular expression ‘<samp>[:epru]</samp>’. </p> <p>Special characters lose their special meaning inside bracket expressions. </p> @@ -230,7 +229,7 @@ </dd> <dt><span>‘<samp>-</samp>’</span></dt> <dd><p>represents the range if it’s not first or last in a list or the ending point -of a range. +of a range. To make the ‘<samp>-</samp>’ a list item, it is best to put it last. </p> </dd> <dt><span>‘<samp>^</samp>’</span></dt> @@ -245,7 +244,7 @@ <hr> <div class="header"> <p> -Next: <a href="The-Backslash-Character-and-Special-Expressions.html">The Backslash Character and Special Expressions</a>, Previous: <a href="Fundamental-Structure.html">Fundamental Structure</a>, Up: <a href="Regular-Expressions.html">Regular Expressions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> +Next: <a href="Special-Backslash-Expressions.html">Special Backslash Expressions</a>, Previous: <a href="Fundamental-Structure.html">Fundamental Structure</a>, Up: <a href="Regular-Expressions.html">Regular Expressions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> </div>
