Provide check digit algorithms (Luhn, Verhoeff, Damm) and calculators (ISBN, EAN, JAN, UPC, etc.)

# checkdigit

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## About

Provide check digit algorithms and calculators written by Go.

## Provided methods

### Algorithms

- [Luhn](https://en.wikipedia.org/wiki/Luhn_algorithm)
- [Verhoeff](https://en.wikipedia.org/wiki/Verhoeff_algorithm)
- [Damm](https://en.wikipedia.org/wiki/Damm_algorithm)

### Calculators

- [ISBN-10](https://en.wikipedia.org/wiki/International_Standard_Book_Number)
- [ISBN-13](https://en.wikipedia.org/wiki/International_Standard_Book_Number)
- [EAN-8](https://en.wikipedia.org/wiki/EAN-8)
- [EAN-13](https://en.wikipedia.org/wiki/EAN-13)
- [JAN-8](https://en.wikipedia.org/wiki/Japanese_Article_Number)
- [JAN-13](https://en.wikipedia.org/wiki/Japanese_Article_Number)
- [ITF](https://en.wikipedia.org/wiki/Interleaved_2_of_5)
- [UPC](https://en.wikipedia.org/wiki/Universal_Product_Code)
- [SSCC](https://en.wikipedia.org/wiki/Serial_Shipping_Container_Code)

## Usage

See [examples](https://godoc.org/github.com/osamingo/checkdigit#pkg-examples).

## License

Released under the [MIT License](https://github.com/osamingo/checkdigit/blob/master/LICENSE).


📚 checkdigit - Awesome Go Library for Validation

Detailed Description of checkdigit

checkdigit

About

Provided methods

Algorithms

Calculators

Usage

License