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> 
        /// <param name="value">指定字符</param> 
        /// <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