Cpf Cpf() Validates a Brazillian CPF number. v.cpf().validate('11598647644') # true It ignores any non-digit char: v.cpf().validate('693.319.118-40') # true If you need to validate digits only, add .digit() to the chain: v.digit().cpf().validate('11598647644') # true Categorization Identifications Changelog Version Description 1.0.0 Created See also: Bsn Cnh Cnpj Imei Pis