Re: Negative lookbehind assertions in regexs - Mailing list pgsql-sql

>> I'd like a regex that matches 'CD' but not 'ABCD' in any part of the 
>> regex.

From: "Bruno Wolff III" <bruno@wolff.to>

> Something like:
> (^.?CD)|([^B]CD)|([^A]BCD)

Thanks to Bruno, and to Dawid who replied offline.  The above does the job 
nicely.

Any plans for a Perl Compatible Regular Expression operator? 
http://www.pcre.org/
Or are two regex operators enough?

Julian