validateEmail function

String? validateEmail(
  1. BuildContext context,
  2. String? value
)

Implementation

String? validateEmail(BuildContext context, String? value) {
  if (value == null || value.isEmpty) {
    return S.of(context).please_enter_an_email_address;
  }
  Pattern pattern =
      r'^[a-zA-Z0-9]+([._%+-]?[a-zA-Z0-9])*@[a-zA-Z0-9-]+(\.[a-zA-Z]{2,})+$';
  RegExp regex = RegExp(pattern as String);
  if (!regex.hasMatch(value)) {
    return S.of(context).please_enter_a_valid_email_address;
  }
  return null;
}