Date: Thu, 15 Jan 2009 04:31:55 +0000 (UTC) From: Giorgos Keramidas <keramida@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r187278 - in stable/7/lib/libc: . regex string Message-ID: <200901150431.n0F4Vtvq064272@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: keramida (doc committer) Date: Thu Jan 15 04:31:55 2009 New Revision: 187278 URL: http://svn.freebsd.org/changeset/base/187278 Log: MFC 182795 from /head Add two example regexps: (1) one for matching all the characters that belong in a character class, and (2) one for matching all the characters *not* in a character class. Submitted by: Mark B, mkbucc at gmail.com Modified: stable/7/lib/libc/ (props changed) stable/7/lib/libc/regex/re_format.7 stable/7/lib/libc/string/ffsll.c (props changed) stable/7/lib/libc/string/flsll.c (props changed) Modified: stable/7/lib/libc/regex/re_format.7 ============================================================================== --- stable/7/lib/libc/regex/re_format.7 Thu Jan 15 04:29:02 2009 (r187277) +++ stable/7/lib/libc/regex/re_format.7 Thu Jan 15 04:31:55 2009 (r187278) @@ -288,6 +288,14 @@ These stand for the character classes de A locale may provide others. A character class may not be used as an endpoint of a range. .Pp +A bracketed expression like +.Ql [[:class:]] +can be used to match a single character that belongs to a character +class. +The reverse, matching any character that does not belong to a specific +class, the negation operator of bracket expressions may be used: +.Ql [^[:class:]] . +.Pp There are two special cases\(dd of bracket expressions: the bracket expressions .Ql [[:<:]]
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200901150431.n0F4Vtvq064272>