<?phpnamespace App\Validator;use Symfony\Component\Validator\Constraint;/** * @Annotation * @Target({"PROPERTY", "METHOD", "ANNOTATION"}) */class ValidForumPseudoCharacters extends Constraint{ /* * Any public properties become valid options for the annotation. * Then, use these in your validator class. */ public $message = 'The pseudo can only contain letters, numbers, "-", "_" and "."';}