c# String.Split数组省去空字符

 public static void test() {
            string txt = "hi[#b1.jpg][#b4.jpg]few[#b1-3.jpg]";
            txt = "as3高级技术交流\r\n●。点绛唇へ\r\n测试群\r\n";
            string[] sAry = txt.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
            foreach(string str in sAry){
                Console.WriteLine(str);
            }

            string s = "abcdeabcdeabcde";
            string[] sArray1 = s.Split(new char[] { 'c', 'd', 'e' }, StringSplitOptions.RemoveEmptyEntries);
            foreach (string i in sArray1)
                Console.WriteLine(i.ToString());
        }