C#拆分中文和数字字符串

 private string GetStrings(string str,int type=0)         {             IList<string> strList = new List<string>();             MatchCollection ms;             if (type == 0)             {                 ms = Regex.Matches(str, @"D+");              }             else             {                 ms = Regex.Matches(str, @"d+");             }                        foreach (Match m in ms)             {                 strList.Add(m.Value);             }             return string.Join("",strList.ToArray());         }