From: pjb@informatimago.com (Pascal J. Bourguignon)
To: help-gnu-emacs@gnu.org
Subject: Re: delete non-matching lines
Date: Tue, 11 Aug 2009 16:33:49 +0200 [thread overview]
Message-ID: <7cab26ctde.fsf@pbourguignon.anevia.com> (raw)
In-Reply-To: e07af9b2-d5ea-4ce4-8f0f-69a8aaecb6d7@c14g2000yqm.googlegroups.com
Nachiket Gokhale <gokhalen@gmail.com> writes:
> How do I delete all lines starting with
>
> "ESPN"
M-x delete-matching-lines RET ^ESPN RET
>
> And, the opposite:
>
> How do I delete all lines not starting with
>
> "ESPN"
M-x delete-matching-lines RET ^\([^E C-q C-j ]\|E[^S C-q C-j ]\|ES[^P C-q C-j ]\|ESP[^N C-q C-j ]\) RET
Or perhaps just:
M-x delete-matching-lines RET ^\([^E]\|E[^S]\|ES[^P]\|ESP[^N]\) RET
if you are lucky.
You may also use:
C-x h M-| grep ESPN RET
or
C-x h M-| grep -v ESPN RET
but this is cheating.
--
__Pascal Bourguignon__
next prev parent reply other threads:[~2009-08-11 14:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-11 13:59 delete non-matching lines Nachiket Gokhale
2009-08-11 14:33 ` Teemu Likonen
2009-08-11 14:33 ` Pascal J. Bourguignon [this message]
2009-08-11 15:25 ` Xah Lee
2009-08-11 18:57 ` Nachiket Gokhale
2009-08-12 5:54 ` Martin
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