validateEmail static method
Validate email format (for contact/feedback features)
Implementation
static void validateEmail(String email) {
final emailRegex =
RegExp(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$');
if (!emailRegex.hasMatch(email)) {
throw ArgumentError('Invalid email format: $email');
}
}