creditCard property

RegExp creditCard
final

Matches common credit card numbers (Visa, MasterCard, Amex, Discover).

Implementation

static final RegExp creditCard = RegExp(
  r'^(?:4[0-9]{12}(?:[0-9]{3})?' // Visa
  r'|5[1-5][0-9]{14}' // MasterCard
  r'|3[47][0-9]{13}' // Amex
  r'|6(?:011|5[0-9]{2})[0-9]{12})$', // Discover
);