Re: POSIX Regular Expression question

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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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
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