代码如下://可以包括其他字符 public string uncode(string str) { string outStr = “”; Regex reg = new Regex(”(?i)//u([0-9a-f]{4})”); outStr = reg.Replace(str, delegate(Match m1) { return ((char)Convert.ToInt32(m1.Groups[1].Value, 16)).ToString(); }); return outStr;