isValidUUID static method
Validates if the given string is a valid UUID.
Implementation
static bool isValidUUID(String uuid) {
final regex = RegExp(
r'^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\$');
return regex.hasMatch(uuid);
}