norwegian-national-id-validator

norwegian-national-id-validator

Validate Norwegian national identity numbers (birth number (fødselsnummer), D-number, H-number and FH-number).

The NPM module is ES5, but TypeScript and Flow types is also exported. Types for Flow is generated with Flowgen.

Installation

Install the package via npm:

npm install --save norwegian-national-id-validator

or

yarn add norwegian-national-id-validator

Usage

validateNorwegianIdNumber(value)

This function checks if the given value is a valid Norwegian national identity number. Returns true for valid, and false for invalid ID-number.

Examples

import { validateNorwegianIdNumber } from 'norwegian-national-id-validator'

validateNorwegianIdNumber('29029900157')
// => false

validateNorwegianIdNumber('29029600013')
// => true

possibleAgeOfPersonWithIdNumber(value)

This function returns the age of a person with given Norwegian national identity number.

Returns undefined when birth date could not be determined (e.g. for FH-numbers and invalid ID-numbers).

Examples

import { possibleAgeOfPersonWithIdNumber } from 'norwegian-national-id-validator'

possibleAgeOfPersonWithIdNumber('03111590925')
// => 1

possibleAgeOfPersonWithIdNumber('03110175225')
// => 15

Tests

To run the tests for this module:

npm test

License

MIT