validateEmail static method

String? validateEmail(
  1. String? value
)

Implementation

static String? validateEmail(String? value) {
  if (value == null || value.isEmpty) {
    return 'Email is required';
  } else if (!value.contains('@') || !value.contains('.')) {
    return 'Please enter a valid email';
  } else if (!RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$').hasMatch(value)) {
    return 'Please enter a valid email format';
  }
  return null;
}