最短人民币转大写,在csdn上看到的整理一下

 private string toRMBUpper(string str)
        ...{
            decimal dec = Convert.ToDecimal(str);
            str = dec.ToString("#L#E#D#C#K#E#D#C#J#E#D#C#I#E#D#C#H#E#D#C#G#E#D#C#F#E#D#C#.0B0A");
            string d = Regex.Replace(str,
                @"((?<=-|^)[^1-9]*)|((?'z'0)[0A-E]*((?=[1-9])|(?'-z'(?=[F-L.]|$))))|" +
                @"((?'b'[F-L])(?'z'0)[0A-L]*((?=[1-9])|(?'-z'(?=[.]|$))))", "${b}${z}");
            return Regex.Replace(d, ".", delegate(Match m)
                 ...{
                  return "负圆x零壹贰叁肆伍陆柒捌玖xxxxxxx分角拾佰仟万亿兆京垓秭穰"
                  [m.Value[0] - '-'].ToString();
                 }
                );
        }

在csdn上看到的，最短的