personnummer

Validate Swedish personal identity numbers.

Install the module with npm:

npm install --save personnummer

Example

import Personnummer from 'personnummer';

Personnummer.valid('191212121212')
//=> true

See index.test.ts for more examples.

Options

Option	Type	Default	Description
allowCoordinationNumber	bool	true	Accept coordination numbers
allowInterimNumber	bool	false	Accept interim/T numbers

In memoriam

Fredrik "Frozzare" Forsmo (1991-2026) was the initiator, co-founder and a core contributor of the personnummer project. This library carries his work. He is missed.

License

MIT