RegexConstraint.php

<?php

namespace Drupal\Core\Validation\Plugin\Validation\Constraint;

use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Validation\Attribute\Constraint;
use Symfony\Component\Validator\Constraints\Regex;

/**
 * Regex constraint.
 *
 * Overrides the symfony constraint to use Drupal-style replacement patterns.
 */
class RegexConstraint extends Regex {
    
    /**
     * {@inheritdoc}
     */
    public function validatedBy() : string {
        return '\\Symfony\\Component\\Validator\\Constraints\\RegexValidator';
    }

}