>This is incorrect - the Canadian Postal code is always a sequence of 6 character, alternating between an uppercase alpha and a numeral. You'd be much closer with:
>
>"!9!9!9"
>
>and then in validation ensure that positions 1, 3 and 5 have values between "A" and "Z", and positions 2, 4 and 6 are valid digits.

Technically, doesn't the Canadian code always use a space at char #4, and is 7 chars long? That's the way I always have it, and I deal with a lot of Canadians.