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bug#20571: sed 4.2.2

From: Davide Brini
Subject: bug#20571: sed 4.2.2
Date: Thu, 14 May 2015 12:28:41 +0200

On Thu, 14 May 2015 10:19:43 +0200 (CEST), Massimo Masotti
<address@hidden> wrote:

> Good morning,
> the file contains "8.25F, \n". I notice a strange behavior with this line:
> sed -i -r 's/([0-9])F([,; \]\}\)])/\1\2/g'  file
> while I'm expecting to get "8.25, \n", the content is not changed. To get
> the expected substitution, I must use:
> sed -i -r 's/([0-9])F([,; \}\)])/\1\2/g'  file
> as if it is not legal to use the escaped character  ']'.

If you want to use a "]" inside a bracket expression, specify it as the
very first character (after the ^ negation, if present, but that's not
your case). And you don't need to escape } and ) inside the bracket
expression, so

sed -i -r 's/([0-9])F([],; })])/\1\2/g'  file

Here what's inside the [] is 

],; })


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