Revision as of 08:58, 12 May 2009 by
- Show all lines that do not contain blabla
grep -v blabla filename.txt
- Match any character
With a dot (.) you can match any character
grep -E "L.nux"
Matches Linux, Lanux L nux, but not Lnux
- Match all characters
With a .* you can match an arbitrary count of any character
grep -E "L.*nux"
Matches Linux, Liinux, Lanux, L nux and Lnux
- Match any character but blank
grep -E "L[^ ]nux"
Match Linux, Lanux, but not Lnux and not L nux