email static method

FormFieldValidator email({ String errorText = "This field requires a valid email address.", })

FormFieldValidator that requires the field's value to be a valid email address.

Implementation

static FormFieldValidator email({
  String errorText = "This field requires a valid email address.",
}) {
  return (valueCandidate) {
    if (valueCandidate?.isNotEmpty == true) {
      if (!isEmail(valueCandidate as String)) {
        return errorText;
      }
    }
    return null;
  };
}