security_code library
Constants
- ALT_SECURITY_CODE_LENGTH → const int
-
The alternate length of the security code (only American Express cards use this)
Set to 4
4 - DEFAULT_SECURITY_CODE_LENGTH → const int
-
Checks the validity of the CVV or security code for the credit card
The default length of the CVV or security code (most cards do this)
Set to 3
3
Functions
-
validateSecurityCode(
String code, CreditCardType type) → ValidationResults - Validates the card's security code based on the card type. Default is 3 digits but Amex is the only card provider with security codes that are 4 digits