View file wu-engine/wu-functions/bbdecoder/validators/CssColorValidator.php

<?php

namespace JBBCode\validators;

require_once dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . 'InputValidator.php';

class CssColorValidator implements \JBBCode\InputValidator
{
    public function validate($input)
    {
        return (bool) preg_match('/^[A-z0-9\-#., ()%]+$/', $input);
    }

}