On Thursday 24 December 2009 3:47:23 pm Andrus wrote:
> Scott,
>
> >You can use the regex I posted to get rid of the data easily, then go
> >back to the substr one for  a check constraint after that.
>
> regex is non-standard.
> How to implement this in standard SQL ?
>
> Andrus.

Why should it matter? The initial data clean up is a one time event. Once the 
fields are cleaned up the check constraint will keep them that way.

-- 
Adrian Klaver
akla...@comcast.net

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