From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon 'corecode' Schubert <corecode@fs.ei.tum.de>
Subject: Re: [PATCH] rebase--interactive: do not use one-or-more (\+) in sed.
Date: Sun, 02 Sep 2007 15:39:33 +0200
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Cc: David Kastrup <dak@gnu.org>,
	Johannes Sixt <johannes.sixt@telecom.at>, git@vger.kernel.org,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano wrote:
>> Just for the record: I believe that \{1,\} might be portable.
> 
> Yeah, I obviously looked at the page I quoted that describes
> what's in and what's not in BRE definition ;-)
> 
> But in practice, I do not recall ever seeing an older sed that
> did not understand one-or-more \+ *and* understood \{1,\}.  Do
> you?

Yes, BSD sed (at least DragonFly's, so probably as well FreeBSD-4 (dunno 
about later)):

chlamydia % echo 5ab123x | sed -e 's/[a-z]\+/AAA/' 

5ab123x
chlamydia % echo 5ab123x | sed -e 's/[a-z]\{1,\}/AAA/' 

5AAA123x
chlamydia % echo 5ab123x | sed -E -e 's/[a-z]+/AAA/' 

5AAA123x

cheers
   simon