# CreditCard - `v::creditCard()` - `v::creditCard(string $brand)` Validates a credit card number. ```php v::creditCard()->validate('5376 7473 9720 8720'); // true v::creditCard('American Express')->validate('340316193809364'); // true v::creditCard('Diners Club')->validate('30351042633884'); // true v::creditCard('Discover')->validate('6011000990139424'); // true v::creditCard('JCB')->validate('3566002020360505'); // true v::creditCard('Master')->validate('5376747397208720'); // true v::creditCard('Visa')->validate('4024007153361885'); // true ``` The current supported brands are: - American Express - Diners Club - Discover - JCB - MasterCard - Visa It ignores any non-digit chars, so use `->digit()` when appropriate. ```php v::digit()->creditCard()->validate('5376747397208720'); // true ``` *** See also: * [Bank](Bank.md) * [BankAccount](BankAccount.md) * [Bic](Bic.md)