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Re: Emacs equivalent of the ":g" command in vi

From: Eric Abrahamsen
Subject: Re: Emacs equivalent of the ":g" command in vi
Date: Fri, 22 Jul 2011 12:03:35 -0700
User-agent: Gnus/5.110018 (No Gnus v0.18) Emacs/23.2 (gnu/linux)

On Fri, Jul 22 2011, C K Kashyap wrote:

>     > which could be as simple as in vi/vim.)
>     I think he want to delete lines matching a regexp, so C-k is not
>     what he
>     wants here.
>     `query-replace-regexp' can be used with a regexp like this:
>     ^.*\(your_regexp\).*$
>     and you replace with nothing (empty prompt).
>     --
> replace-regexp is indeed closer to what I am looking for. However,
> I'd like the result to not leave blank lines.
> Regards,
> Kashyap 

Isn't this what flush-lines and keep-lines are for?

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