You can access the built-in method directly via
jQuery.validator.methods.creditcard. You have to provide two
arguments, the current value and the element to validate.
var element = $(...)[0];
if (jQuery.validator.methods.creditcard(element.value, element))
// valid
else
// invalid
Jörn
On Thu, May 15, 2008 at 4:14 PM, Gordon <[EMAIL PROTECTED]> wrote:
>
> I want to extend the provided cxreditcard method to count a sequence
> of * characters followed by 4 digits as a valid value. I need this for
> a form where the credit card can be populated from a previously saved
> value. Naturally we don't want to display the full number for
> security reasons but we need for the user to be able to see the last
> four digits.
>
> My idea was to write a new ccard method that calls the pre-existing
> creditcard method. If that method returns true then return true. If
> it returns false then check the field value against a regex /\*+[0-9]
> {4,4}/.
>
> How can I write a custom method that makes use of a built in
> method?
>
