| Re: Zip Codes ctype? Pregmatch? [message #182645 is a reply to message #182641] |
Wed, 21 August 2013 00:17   |
bill
Messages: 310
Registered: October 2010
Karma:
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Senior Member |
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On 2013-08-20 3:36 PM, Robert Heller wrote:
> At Tue, 20 Aug 2013 15:03:48 -0400 Twayne <nobody(at)spamcop(dot)net> wrote:
>
>>
>> On 2013-08-20 2:08 PM, Robert Heller wrote:
>>> At Tue, 20 Aug 2013 13:27:50 -0400 Twayne <nobody(at)spamcop(dot)net> 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".
>>>
>>> 5+4:
>>>
>>> nnnnn-mmmm
>>>
>>> Most of the time, just the basic 5 digits is enough, but sometimes the USPS
>>> wants the additional 4 digits as well.
>>
>> Agreed; but in this case it's only to ID a country.
>
> You might need to 'accept' the extra 4 digits, since people are going to enter
> them and will be mifted if your page rejects it. Just quietly drop the extra
> digits.
>
>>>
>>> Whether or not you include the extra 4 digits or not depends on what you are
>>> using the zip code for. UPS and FexEX for example don't use the extra 4
>>> digits, but the USPS does. The extra four digits are important mostly for big
>>> city addresses, where there might be multiple branch POs and/or delivery
>>> routes, etc. for a given post office.
>>>
>>>
>> Thanks,
>>
>> Twayne`
>>
>
I hear you, but when I specifically ask for a 5-digit US Zip Code if the
person wants to insist on 9, that's not the kind of person I want to
hear from anyway.
Besides, a 9-digit code is a lot more personal information than is
needed and very few people want to give away more information about
themselves than is necessary. A 9 digit zip code can in many cases lead
you right to a person's street address. With a name and an address, it's
only a short step to their ss# being compromised and then the field is
set for full identity theft.
Regards,
Twayne`
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