$.verify.addRules({
    validName: function(r) {
        if (/^[a-zA-Z ]+$/.test(r)) {
            return true;
        } else {
            return 'Name is incorrect';
        }
    },
    validBirthday: function(r) {
        if (/^([0|1|2][0-9]|3[01])\/(0[0-9]|1[012])\/[0-9]{4}$/.test(r)) {
            return true;
        } else {
            return 'Date is incorrect';
        }
    }
});