egrep
<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)
Nearby terms:
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