如何用多个字符串来切分字符串

string str = "我是小松树bbProc()6a";string[] sArray = Regex.Split(str, "[bb]|[()]", RegexOptions.IgnoreCase);int i = 1;foreach (string s in sArray) {    Console.WriteLine("i: {0}, len: {1}, s: {2}" , i++, s.Length,  s);}Console.WriteLine("end");Console.Read();