On Fri, 2002-07-19 at 15:07, Stephane Bortzmeyer wrote:
> OK, let's check:
>
> CHECK (phone ~ '^\\+[0-9]+[ 0-9]+$')
>
> which is, I believe, international (although the above regexp does not
> prevent strange things like two consecutive spaces).
That would match "+0 ", which is probably not a valid number.  You can
combine several patterns as alternatives in the CHECK constraint or even
put alternatives in the pattern.
--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight, UK
http://www.lfix.co.uk/oliver
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     "Blessed is the man that trusteth in the LORD, and
      whose hope the LORD is."            Jeremiah 17:7