1 $.validator
.addMethod("mobileNL", function(value
, element
) {
2 return this.optional(element
) || /^((\+|00(\s|\s?\-\s?)?)31(\s|\s?\-\s?)?(\(0\)[\-\s]?)?|0)6((\s|\s?\-\s?)?[0-9]){8}$/.test(value
);
3 }, "Please specify a valid mobile number");