formatters/credit_card_number_input_formatter library


formatAsCardNumber(String cardNumber) String
getCardSystemData(String cardNumber) CardSystemData?
isCardNumberValid({required String cardNumber, bool checkLength = false, bool useLuhnAlgo = true}) bool
useLuhnAlgo validates the number using the Luhn algorithm
isCardValidNumber(String cardNumber, {bool checkLength = false}) bool
checks not only for a length and characters but also for card system code. If it's not found the succession of numbers will not be marked as a valid card number