C# 移除字符串末尾指定字符

#region 移除字符串末尾指定字符
      /// <summary> 
      /// 移除字符串末尾指定字符 
      /// </summary> 
      ///<param name="str">需要移除的字符串 
      ///<param name="value">指定字符 
      /// <returns>移除后的字符串</returns> 
      public static string RemoveLastChar(string str, string value)
      {
          int _finded = str.LastIndexOf(value);
          if (_finded != -1)
          {
              return str.Substring(0, _finded);
          }
          return str;
      }
      #endregion