/**
* @see \wcf\system\bbcode\highlighter\Highlighter::highlightKeywords()
*/
protected function highlightKeywords($string)
{
$string = parent::highlightKeywords($string);
$string = preg_replace('!(?<=' . $this->separatorsRegEx . ')(@[a-z0-9-]+)(?=' . $this->separatorsRegEx . ')!i', '<span class="hlKeywords5">\\0</span>', $string);
return $string;
}