C＃在字符串中搜索特定的模式，然后放入Array

var regex = new Regex(\"act=\\?(<?Id>\\d+)\");
regex.Matches(input).Cast<Match>()
     .Select(m => m.Groups[\"Id\"])
     .Where(g => g.Success)
     .Select(g => Int32.Parse(g.Value))
     .ToArray();

    public static List<string> GetList(string data)
    {
        data = data.Replace(\"\\\"\", \"\"); // get rid of annoying \"\'s
        string[] S = data.Split(new string[] { \"act=\" }, StringSplitOptions.None);
        var results = new List<string>();

        foreach (string s in S)
        {
            if (!s.Contains(\"<tr\"))
            {
                string output = s.Substring(0, s.IndexOf(\">\"));
                results.Add(output);
            }

        }
        return results;
    }

strinng-variable.split()

\"<tr>\",\"</tr>\",\"<td>\",\"</td>\", \"<a>\",\"</a>\"