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Re: Tr: Problem with grep v2.5.1
From: |
Paul Jarc |
Subject: |
Re: Tr: Problem with grep v2.5.1 |
Date: |
Fri, 18 May 2007 17:50:09 -0400 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/21.4 (gnu/linux) |
Micah Cowan <address@hidden> wrote:
> Paul Jarc wrote:
>> grep -E -B 3 '\.\.\.([013-9][0-9]{2}|2[1-9][0-9]|20[1-9])'
>
> You're using -E, so it should be "..." rather than "\.\.\."
No, -E doesn't change the meaning of "\.".
> Won't this approach have /exactly/ the same behavior?
No. It matches "..." followed by a three-digit number other than 200,
and also includes the previous 3 lines. Try it.
paul
Re: Tr: Problem with grep v2.5.1, Andreas Schwab, 2007/05/18