CVSROOT: /webcvs/grep Module name: grep Changes by: Jim Meyering <meyering> 16/04/22 05:25:56
Index: html_node/Regular-Expressions.html =================================================================== RCS file: /webcvs/grep/grep/manual/html_node/Regular-Expressions.html,v retrieving revision 1.23 retrieving revision 1.24 diff -u -b -r1.23 -r1.24 --- html_node/Regular-Expressions.html 11 Mar 2016 06:09:09 -0000 1.23 +++ html_node/Regular-Expressions.html 22 Apr 2016 05:25:56 -0000 1.24 @@ -13,10 +13,10 @@ "GNU Free Documentation License". --> <!-- Created by GNU Texinfo 6.0, http://www.gnu.org/software/texinfo/ --> <head> -<title>GNU Grep 2.24: Regular Expressions</title> +<title>GNU Grep 2.25: Regular Expressions</title> -<meta name="description" content="GNU Grep 2.24: Regular Expressions"> -<meta name="keywords" content="GNU Grep 2.24: Regular Expressions"> +<meta name="description" content="GNU Grep 2.25: Regular Expressions"> +<meta name="keywords" content="GNU Grep 2.25: Regular Expressions"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="makeinfo"> @@ -76,16 +76,16 @@ by using various operators to combine smaller expressions. <code>grep</code> understands three different versions of regular expression syntax: -“basic,” (BRE) “extended” (ERE) and “perl”. +“basic” (BRE), “extended” (ERE) and “perl” (PCRE). In GNU <code>grep</code>, there is no difference in available functionality between the basic and extended syntaxes. In other implementations, basic regular expressions are less powerful. The following description applies to extended regular expressions; differences for basic regular expressions are summarized afterwards. -Perl regular expressions give additional functionality, and are -documented in the <i>pcresyntax</i>(3) and <i>pcrepattern</i>(3) manual pages, -but work only if PCRE is available in the system. +Perl-compatible regular expressions give additional functionality, and +are documented in the <i>pcresyntax</i>(3) and <i>pcrepattern</i>(3) manual +pages, but work only if PCRE is available in the system. </p> <table class="menu" border="0" cellspacing="0"> <tr><td align="left" valign="top">• <a href="Fundamental-Structure.html#Fundamental-Structure" accesskey="1">Fundamental Structure</a>:</td><td> </td><td align="left" valign="top">
