gtin
GTIN (UPC, EAN, ITF, etc.) utilities.
GTIN (UPC, EAN, ITF, etc.) utilities.
Determine which GTIN format the provided value is, and if it is valid or not.
Returns true or false, whether the value is a valid ITF-14 (GTIN-14) code.
Utilities to validate and work with GTIN and UPC product codes.