I'm looking to filter out anything not in:

Numeric_only [0-9]
Alpha_only [A-Z]
Alphanumeric_only [0-9] or [A-Z]

-----Original Message-----
From: Jason Dodson [mailto:jasond@...]
Sent: Tuesday, April 12, 2005 4:34 PM
To: firebird-support@yahoogroups.com
Subject: Re: [firebird-support] Domain checks


So you are looking to filter out any non-readable charactor? Is this
ASCII only?

Jason

Rick Debay wrote:

> I'd like to add checks to some VARCHAR domains that would make sure
> all characters are digits, or alphanumeric, or just alpha. Can anyone

> give me a pointer (I do have the FB book) to the functions or keywords

> needed? Thanks.
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