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Re: sed bug


From: Davide Brini
Subject: Re: sed bug
Date: Fri, 15 Feb 2013 10:19:02 +0100

On Thu, 14 Feb 2013 10:12:17 +0100, Slawomir Kuszczynski
<address@hidden> wrote:

> Hi,
> 
> I found bug in sed. It is related to reverse matching, see examples below:
> 
> Result of this simple sed:
> echo ABC1234_1.0 | sed -r 's/^[A-Z]*([0-9])/\1/'
> is:
> 1234_1.0
> but should be:
> 1

No, it should not. Think what should be the result of

echo abc | sed -r 's/(c)/\1/'

-- 
D.



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