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Re: Zip Codes ctype? Pregmatch? [message #182635 is a reply to message #182634] Tue, 20 August 2013 17:59 Go to previous messageGo to previous message
Martin Leese is currently offline  Martin Leese
Messages: 23
Registered: June 2012
Karma:
Junior Member
Twayne wrote:
> Hi all,
>
> I'm attempting to check for US and Canadian zip codes (postal codes).
> The US is easy; mostly just be sure it's five numerics and except
> "00000" and "99999". But Canadian is a different story because:
> It consists of alternating alpha and numeric characters (AnAnAn) but
> not the entire alphabet. 8 N.A. English letters are not used, as in
> DFIOQUW AND Z or put another way, they only use 18 letters in their
> postal codes.

Note that postcodes must have a space in
the middle, ie, AnA nAn. In practice,
however, there is so much brain-dead
software in use that believes otherwise, it
would be prudent to make the space optional.

From the Canada Post Addressing Guide:
"Postal codes must be printed in
upper case with the first three
elements separated from the last
three by one space (no hyphens)."

--
Regards,
Martin Leese
E-mail: please(at)see(dot)Web(dot)for(dot)e-mail(dot)INVALID
Web: http://members.tripod.com/martin_leese/
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