Format date dd.mm.yyyy for input text with jQuery Validation addMethod

Question

I am having real trouble with this addMethod for validating a date from an input. It doesn\'t test the regex properly and i think it may be written with errors. The date should

Answer 1

$(function () {
    $.datepicker.setDefaults({
        dateFormat: 'dd/mm/yy'
    });
});

Then to bind it to the input element:
$(function () {
    $("#StartDate").datepicker();
});

Credits Amalea