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(Regexps): Say up front that backslashes must be doubled in a Lisp program.

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Eli Zaretskii 2001-03-29 15:52:56 +00:00
parent aea51abefd
commit 96e29ebe34
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man/search.texi
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@ -385,7 +385,9 @@ character is a simple regular expression which matches that same
character and nothing else. The special characters are @samp{$},
@samp{^}, @samp{.}, @samp{*}, @samp{+}, @samp{?}, @samp{[}, @samp{]} and
@samp{\}. Any other character appearing in a regular expression is
ordinary, unless a @samp{\} precedes it.
ordinary, unless a @samp{\} precedes it. (When you use regular
expressions in a Lisp program, each @samp{\} must be doubled, see the
example near the end of this section.)
For example, @samp{f} is not a special character, so it is ordinary, and
therefore @samp{f} is a regular expression that matches the string