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egrep

egrep in Technology

tool
An extended version of the Unix grep command. Egrep accepts extended regular expressions (REs) including "*" following multi-character REs; "+" (one or more matches); "?" (zero or one matches); "|" separating two REs matches either. REs may be bracketed with (). Despite its additional complexity, egrep is usually faster than fgrep or grep.
(2004-07-20)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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