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From: Kevin Grittner <Kevin.Grittner@wicourts.gov>
To: Naomi Walker <nwalker@mhs.mphasis.com>
To: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: Change a character in a text field
Date: Tue, 01 Jul 2008 16:22:48 -0500
Message-ID: <486A59E1.EE98.0025.0@wicourts.gov> (raw)
In-Reply-To: <486A9A5E.9070905@mhs.mphasis.com>
References: <486A9A5E.9070905@mhs.mphasis.com>

>>> Naomi Walker <nwalker@mhs.mphasis.com> wrote: 
> Is there some way with a SQL state to interrogate a text field, and 
> replace characters.
> 
> For example, we would like all "|"'s to be changed to something else,
on 
> a regular basis...
 
It sounds like you might want to look at the regexp_replace function:
 
http://www.postgresql.org/docs/8.3/interactive/functions-matching.html#FUNCTIONS-POSIX-REGEXP
 
Be sure to use a WHERE clause on your UPDATE with the ~ operator.
 
-Kevin



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