Re: POSIX Regular Expression question

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: "A(dot) Kretschmer" <akretschmer(at)despammed(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: POSIX Regular Expression question
Date: 2005-09-05 15:46:43
Message-ID: 200509051746.43680.peter_e@gmx.net
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Am Montag, 5. September 2005 17:10 schrieb A. Kretschmer:
> > colname ~ '^[A-Za-z]*$'
>
> This match also a empty string.

An empty string also fulfulls the condition "only with characters A-Za-z". Or
maybe not. :-)

--
Peter Eisentraut
http://developer.postgresql.org/~petere/

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