masterCard static method

bool masterCard(
  1. String cardNumber
)

Validates whether the given cardNumber is a valid MasterCard number.

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

Returns true if the cardNumber is valid, false otherwise.

Implementation

static bool masterCard(String cardNumber) {
  String pattern =
      r'^(?: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}$';
  RegExp regExp = RegExp(pattern);
  return regExp.hasMatch(cardNumber);
}