Linking URLs in TEC Custom Fields

function linkURLsInCustomFields($html) {
    $matches = array();
    $pattern = '#<dd.*>(https?:\\/\\/[a-zA-Z0-9-\\.]+\\.[a-zA-Z0-9-\\.]+)<\/dd>#';

    preg_match($pattern, $html, $matches);

    if (count($matches) == 2) {
        $match = $matches[1];
        $link = '<a href="'.$match.'">'.$match.'</a>';
        $html = str_replace($match, $link, $html);
    }

    return $html;
}

add_filter('tribe_the_custom_fields', 'linkURLsInCustomFields');