gilmoreorless

/*** Allow digits and whitespace ***/

// Method 1:
jQuery.validator.addMethod("digitsWhitespace", function(value, element) {
       return this.optional(element) || /^[\d\s]+$/.test(value);
}, jQuery.validator.messages.digits);

// Method 2:
jQuery.validator.addMethod("digitsWhitespace", function(value, element) {
       return jQuery.validator.methods.digits(value.replace(/\s/g, ''), element);