# Cnpj

- `v::cnpj()`

Validates the Brazillian CNPJ number. Ignores non-digit chars, so
use `->digit()` if needed.

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See also:

  * [Bsn](Bsn.md)
  * [Cnh](Cnh.md)
  * [Cpf](Cpf.md)
  * [Imei](Imei.md)
  * [NfeAccessKey](NfeAccessKey.md)