EGREP
\ˈɛɡɹɛp], \ˈɛɡɹɛp], \ˈɛ_ɡ_ɹ_ɛ_p]\
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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 matcheseither. REs may be bracketed with (). Despite its additionalcomplexity, egrep is usually faster than fgrep or grep.
By Denis Howe
Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.