jquery validation for zip or postal code

Simple way is to write your one regular expression based validator.

Or you can use one of the many zipcode + postal code lookup APIs, if you must be correct.

But I need some sort of depend. and this isn't working.

$.validator.addMethod('regex', function(value, element, param) { 
        return this.optional(element) || 
  value.match(typeof param == 'string' ? new RegExp(param) : param); 
    },     'Please enter a value in the correct format.'); 

$("#form1").validate(
   {
       rules: {
          Zip : {
          required: true,
         regex:"(/\d{5}-\d{4}$|^\d{5}$/)"  
//OR 
      /* regex: {
        
        param: "(/\d{5}-\d{4}$|^\d{5}$/)",
        depends: function(element) {
          return $("#Country").val()=='USA' ;
        }
      }*/
         
             
      } // end zip
   } , //end rules
             .....

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Hi,

Note american can be 5 or 9 digit (ZIP+4) code

I'm using this input mask http://github.com/RobinHerbots/jquery.inputmask
This is great because it allow more than one pattern and won't depend of country selection.
(you can validate server side instead)

with regex

$("#zipcode").inputmask(["99999[-9999]" , "A9A 9A9" ]); //USA or Canadian Zip Code

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And I validate using server side using PHP

First I keep only digits and letters

preg_replace('/[^a-zA-Z0-9]/', '', $zipcode); 

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And I validate with regex

!preg_match ('/^[A-Za-z]\d[A-Za-z]\d[A-Za-z]\d$|^([0-9]{5})([0-9]{4})?$/i', $zipcode)

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Is there a way to integrate it in to the jquery validation system?