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Re: BUG #1686: Regular expression problem

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruno Wolff III <bruno(at)wolff(dot)to>
Cc: Alvaro Herrera <alvherre(at)surnet(dot)cl>,Halley Pacheco de Oliveira <halleypo(at)yahoo(dot)com(dot)br>,pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #1686: Regular expression problem
Date: 2005-05-31 17:22:25
Message-ID: 13423.1117560145@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Bruno Wolff III <bruno(at)wolff(dot)to> writes:
> On Tue, May 31, 2005 at 11:15:23 -0400,
>   Alvaro Herrera <alvherre(at)surnet(dot)cl> wrote:
>> (Note that our ~ regexes are powered by code of Tcl's heritage, so you
>> could check Tcl's manual on regexes.)

> Aren't they based directly on Henry Spencer's code?

It *is* Henry's code, lock stock and barrel, inherited by way of Tcl.
I'm not sure how much Henry is involved in maintaining the Tcl regex
engine anymore, but he's certainly the original author.

			regards, tom lane

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