checkdigit.gs1ΒΆ

Global Standards One.

GS1 provides a variety of different standards

This implementation includes support for the following:

  • GSIN

  • GLN

  • GRAI

  • GTIN-8/12/13/14

    • EAN-8

    • EAN-13

    • UPC-A

    • UPC-E

  • SSCC

  • etc. (all fixed length numeric GS1 data structures with a check digit)

Functions

calculate

Calculates GS1 Check Digit.

missing

Calculates a missing digit in a GS1 Code.

validate

Validates GS1.