求个正则

Question

    string txt = File.ReadAllText("2.txt", Encoding.Default);
            var arr = Regex.Matches(txt, "(?is)<div class=\"tour_box_t\">\\s*<h3><a.*?>(.*?)</a></h3>\\s*<span class=\"time\">(.*?)</span>\\s*</div>").OfType<Match>().Select(x => "标题:" + x.Groups[1].Value + " 时间:" + x.Groups[2].Value);
            foreach (var item in arr)
            {
                Console.WriteLine(item);
            }
            Console.Read();