Re: regular expressions in query

From: Jeff Davis <jdavis-pgsql(at)empires(dot)org>
To: fiona <fbissett(at)blueyonder(dot)co(dot)uk>
Cc: PgSQL General List <pgsql-general(at)postgresql(dot)org>
Subject: Re: regular expressions in query
Date: 2005-02-12 03:56:33
Message-ID: 1108180593.354.158.camel@jeff
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Try using the "~" regex matching operator instead of ILIKE.

Regards,
Jeff Davis

On Fri, 2005-02-11 at 22:21 +0000, fiona wrote:
> My database table holds phone numbers that may contain characters other
> than digits (that's not a problem in itself).
>
> I want to be able to apply a regular expression (to ignore all
> characters except digits) to the attribute 'phone' first and then for
> the ILIKE to compare
> the result to $telephone. I can't find any way of applying the RE to phone.
> My current query without the RE is as follows:
>
> SELECT telephone FROM addresses WHERE id = user_id AND phone ILIKE
> '%".addslashes($telephone)."%'"
> I want to do something like: AND phone([^[:digit:]]) ILIKE $telephone
> But this doesn't work.
> Any ideas?

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