is-valid-nip

is-valid-nip

Check if a number is a valid Numer Identyfikacji Podatkowej (NIP).

tl;dr

• Install by executing npm install is-valid-nip or yarn add is-valid-nip.
• Import by adding import isValidNIP from 'is-valid-nip'.
• Use it by writing const valid = isValidNIP('5252611332')

See also

• is-valid-pesel: Check if a number is a valid PESEL.
• is-valid-regon: Check if a number is a valid REGON.

Examples

> isValidNIP('5252611332');
< true

> isValidNIP('525-261-13-32');
< true

> isValidNIP('525-26-11-332');
< true

License

The MIT License.

Author

Wojciech Maj [e-mail] https://wojtekmaj.pl