isEmail method

Implementation

bool isEmail(FieldResults result) {
  if (result.type == FieldType.string) {
    for (final data in result.values) {
      String value = data.value?.trim() ?? "";
// Use a RegExp to check if the string contains only digits

      if ((EmailValidator.validate(value)) == false) return false;
    }
  }
  return true;
}