public function highlightSearch($value, $searchString)
    {
        if (strlen($value) < 1 || strlen($searchString) < 1) {
            return $value;
        }
        preg_match_all("/$searchString+/i", $value, $matches);
        if (is_array($matches[0]) && count($matches[0]) > 0) {
            return str_replace($matches[0][0], '<em class="ccm-highlight-search">' . $matches[0][0] . '</em>', $value);
        }

        return $value;
    }