isValid static method

bool isValid(
  1. String cpf, [
  2. dynamic stripBeforeValidation = true
])

Implementation

static bool isValid(String cpf, [stripBeforeValidation = true]) {
  if (stripBeforeValidation) {
    cpf = strip(cpf);
  }
  if (cpf.isEmpty) {
    return false;
  }
  if (cpf.length != 11) {
    return false;
  }
  if (BLACKLIST.indexOf(cpf) != -1) {
    return false;
  }
  String numbers = cpf.substring(0, 9);
  numbers += _verifierDigit(numbers).toString();
  numbers += _verifierDigit(numbers).toString();
  return numbers.substring(numbers.length - 2) ==
      cpf.substring(cpf.length - 2);
}