Fan.Sys.FanStr.trimEnd C# (CSharp) Method

        public static string trimEnd(string self)
        {
            int len = self.Length;
              if (len == 0) return self;
              int pos = len-1;
              if (self[pos] > ' ') return self;
              while (pos >= 0 && self[pos] <= ' ') pos--;
              return self.Substring(0, pos+1);
        }