Regular Expression Data Type

From: Richard Doust <rdoust(at)mac(dot)com>
To: pgsql-sql(at)postgresql(dot)org
Subject: Regular Expression Data Type
Date: 2007-04-21 16:03:18
Message-ID: 6E4919C6-83F7-4E30-A509-4AB59A4ED6C2@mac.com
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Hi.
I appreciate that I can query the database and find records that
match a regular expression.
What I'd like to be able to do is to define a field in the database
as a regular expression so that when I select, i.e.,

select price from shipping_prices where shipFromZip = '23773' and
shipToZip ~ '87927'

because shipToZip is defined as a regular expression, I'd match a row
where shipToZip held the value '879[0-9]{2,2}' or '87[0-9]*'.

Wouldn't that be cool? Does anyone know whether this is already
possible?

Thanks.

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