Himall商城字符串帮助类移除前导/后导字符串

 #region 移除前导/后导字符串

        ///

        /// 移除前导字符串
        ///

        /// 源字符串
        /// 移除字符串
        ///
        public static string TrimStart(string sourceStr, string trimStr)
        {
            return TrimStart(sourceStr, trimStr, true);
        }

        ///

        /// 移除前导字符串
        ///

        /// 源字符串
        /// 移除字符串
        /// 是否忽略大小写
        ///
        public static string TrimStart(string sourceStr, string trimStr, bool ignoreCase)