anyCard static method

bool anyCard(
  1. String cardNumber
)

Validates whether the given cardNumber is a valid card number for any type.

The cardNumber parameter should be a string representing a card number.

Returns true if the cardNumber is valid, false otherwise.

Implementation

static bool anyCard(String cardNumber) {
  String pattern =
      r'^(?:4[0-9]{12}(?:[0-9]{3})?|(?:5[1-5][0-9]{2}|222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|6(?:011|5[0-9]{2})[0-9]{12}|(?:2131|1800|35\d{3})\d{11})$';
  RegExp regExp = RegExp(pattern);
  return regExp.hasMatch(cardNumber);
}