StringSplitOptions.RemoveEmptyEntries?

        string test = "程$晓$";
        //数组长度为2 temp[0]="程" temp[1]="晓";
        string[] temp = test.Split(new string[] { "$" }, StringSplitOptions.RemoveEmptyEntries);
        //数组长度为3 temp[0]="程" temp[1]="晓" temp[2]="";
        string[] temp = test.Split(new string[] { "$" }, StringSplitOptions.None);