From: | "A(dot) Kretschmer" <akretschmer(at)despammed(dot)com> |
---|---|
To: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: POSIX Regular Expression question |
Date: | 2005-09-05 14:13:02 |
Message-ID: | 20050905141302.GE29043@webserv.wug-glas.de |
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Thread: | |
Lists: | pgsql-sql |
am 05.09.2005, um 14:57:06 +0100 mailte Aldor folgendes:
> Hi,
>
> I want to get out a string only with characters A-Za-z.
like this?
test=# select * from foo;
s
--------
123
abz
abz123
(3 rows)
test=# select * from foo where s ~ '^[a-zA-Z]+$';
s
-----
abz
(1 row)
> Any idea how to do this in Postgres with POSIX Regex?
The term '[a-zA-Z]+' means: this chars at least one times, the '^' and
'$' are anchors to the begin and end of the line.
Hope that helps,
Regards, Andreas
--
Andreas Kretschmer (Kontakt: siehe Header)
Heynitz: 035242/47212, D1: 0160/7141639
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