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Re: Zip Codes ctype? Pregmatch? [message #182662 is a reply to message #182660] Sun, 25 August 2013 17:21 Go to previous messageGo to previous message
bill is currently offline  bill
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Registered: October 2010
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On 2013-08-25 10:31 AM, Doug Miller wrote:
> Curtis Dyer <dyer85(at)gmail(dot)com> wrote in news:kva1hr$rc0$1(at)dont-email(dot)me:
>
>> Perhaps you might also keep invalid postal codes in an array to look
>> up before utilizing the regular expression.
>
> What happens when new postal codes are added?
>
> Perhaps one might simply send a request to the USPS address validation API to find out if it's
> a valid zip code or not. Use the "City-State Lookup" tool described here:
>
> https://www.usps.com/business/web-tools-apis/address-information.htm
>
> I don't know if Canada Post has similar tools.
>

Someone said there was a CDN API but I haven't gotten to it yet, though
I have seen it. Haven't tried to programmatically access it yet though;
want to finish up what I've been doing.

Thanks
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