assert_all_are_uk_car_licences
                        Is the string a valid UK car licence plate
                        number?
assert_all_are_uk_national_insurance_numbers
                        Is the string a valid UK national insurance
                        number?
assert_all_are_uk_postcodes
                        Is the string a valid UK postcode?
assert_all_are_uk_telephone_numbers
                        Is the string a valid UK telephone number?
