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Re: why are \d and \D not implemented but don't throw errors in regex?


From: Chet Ramey
Subject: Re: why are \d and \D not implemented but don't throw errors in regex?
Date: Sat, 07 Dec 2013 23:19:33 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.0.1

On 12/7/13, 6:33 PM, Peter Cordes wrote:

>  I agree your complaint seems valid, but it's the behaviour of the
> regex engine built into GNU libc (in this case).  Bash on other
> platforms would use the regex engine in their system libc.  (Unless
> I'm mistaken in my assumption that bash doesn't have its own regex
> engine.)

This is correct.  Bash uses whatever Posix regexp engine is in libc.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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