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Re: [PATCH] question mark is extended regex for non-GNU grep
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From: |
Eric Blake |
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Subject: |
Re: [PATCH] question mark is extended regex for non-GNU grep |
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Date: |
Fri, 21 Nov 2014 07:06:33 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 |
On 11/21/2014 05:11 AM, Michael Haubenwallner wrote:
> Accepting \? for at-most-once in basic regex is a GNU grep extension,
> not accepted by AIX grep for example.
> * tests/libtool.at: Need EGREP for ? operator, and ? without \ then.
> With EGREP, need one more \ for $.
Or, stick with GREP but use \{0,1\} instead of \?.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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