valid

Documentation

Index

• func IsCreditCard(str string) bool
• func Luhn(s string) bool

Functions

func IsCreditCard

func IsCreditCard(str string) bool

IsCreditCard applies regular expression and luhn algorithm validation to validate the correct structure of a payment card number.

inspired by Alex Saskevich `govalidator` package: ref: https://github.com/asaskevich/govalidator

func Luhn

func Luhn(s string) bool

Luhn implements the Luhn checksum formula that validates identification numbers. It was designed to protect against accidental errors, not malicious attacks.

https://en.wikipedia.org/wiki/Luhn_algorithm