What will be validation for Zip code ?

[eluminoustech]

Hello Friends,
Here is a post for Zip code Validation

Zip code : Zip code should be atleast 3 & atmost 10 charcters only , should be alphanumeric & should accept dash(-).

Golden Regards,
Eluminous Support Team
eLuminous Technologies

[Jordan]

Here is a regular expression to match 12342-1234 or just 12342 in PHP:

/^([0-9]{5})(-[0-9]{4})?$/i

To determine if a valid zip code exists:

if(preg_match("/^([0-9]{5})(-[0-9]{4})?$/i",$zip_code)) {
    // Match
} 

From: USA's Zip Code Validation in PHP