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(elisp)Regular Expressions

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Regular Expressions
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   A "regular expression" ("regexp", for short) is a pattern that
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.

Syntax of Regexps

Rules for writing regular expressions.

Regexp Functions

Functions for operating on regular expressions.

Regexp Example

Illustrates regular expression syntax.