This library allows you to validate data using the Luhn Algorithm. The algorithm is often used to guard against simple mistakes when a user enters something like a credit card or social security number.
Same as validate but returns a Bool instead, for easy use in
if-expressions.
isValid "49927398716" == True
Accepts a string and returns a
Result String Stringindicating whether the string was a valid number according to the Luhn Algorithm.