checkdigit
Module to calculate and validate check digits for redundancy checking, using f.ex. mod10 (luhn algorithm) or mod11.
Module to calculate and validate check digits for redundancy checking, using f.ex. mod10 (luhn algorithm) or mod11.
Libreria para validar un RUT (Chile).
Norwegian person and company/organization number validation with mod11
Typescript library with utility functions for a bunch of numbers