| Re: Zip Codes ctype? Pregmatch? [message #182643 is a reply to message #182634] |
Tue, 20 August 2013 23:52   |
Norman Peelman
Messages: 126
Registered: September 2010
Karma:
|
Senior Member |
|
|
On 08/20/2013 01:27 PM, 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.
> I haven't see a single example in all my research to check if the
> 1st, 3rd, and 5th characters are alpha and th 2nd, 4th and 6th
> characters are numeric.
>
> I've tried preg_match and strpos without succees, likely due to my own
> weakness with preg_match, and regex creates an incredibly long statement
> I'm sure it's not right to put upon the servers; they slow down even my
> local server XAMPP & PHP 5.3 on win 7.
>
> Might anyone have a better method?
>
> Or know of any functions anywhere that could be modified to be used?
>
US Zip code:
[0-9]{5}(-{0,1}[0-9]{4}){0,1}
Canadian zip code (all one line, don't miss the space!):
([A-C,E,G-H,J-N,P,R-T,V,X,Y]{1}[0-9]{1})[A-C,E,G-H,J-N,P,R-T,V,X,Y]{1}
{1}([0-9]{1}[A-C,E,G-H,J-N,P,R-T,V,X,Y]{1}[0-9]{1})
--
Norman
Registered Linux user #461062
-Have you been to www.php.net yet?-
|
|
|
|
Calendar
Search
Help
Members
Register
Login
Home
]