format static method
Formats the standard 11 digits cpf
.
Example unformatted CPF: 12345678912 Formatted output: 123.456.789-12
Implementation
static String format(String cpf) {
return "${cpf.substring(0, 3)}.${cpf.substring(3, 6)}.${cpf.substring(6, 9)}-${cpf.substring(9)}";
}