From 85b6b13c6cc865b81503fc2e0b632408ab60c931 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Thu, 11 Aug 2005 19:47:37 +0000 Subject: [PATCH] (Regular Expressions): Document re-builder. --- lispref/searching.texi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lispref/searching.texi b/lispref/searching.texi index a8ea8573629..f75e10e5dce 100644 --- a/lispref/searching.texi +++ b/lispref/searching.texi @@ -167,6 +167,16 @@ denotes a (possibly infinite) set of strings. Searching for matches for a regexp is a very powerful operation. This section explains how to write regexps; the following section says how to search for them. +@findex re-builder +@cindex authoring regular expressions + For convenient interactive development of regular expressions, you +can use the @kbd{M-x re-builder} command. It provides a convenient +interface for creating regular expressions, by giving immediate visual +feedback in a separate buffer. As you edit the regexp, all its +matches in the target buffer are highlighted. Each parenthesized +sub-expression of the regexp is shown in a distinct face, which makes +it easier to verify even very complex regexps. + @menu * Syntax of Regexps:: Rules for writing regular expressions. * Regexp Example:: Illustrates regular expression syntax. -- 2.39.2