截取字符串的值

Question

架设textbox1中的值 abc/dfsa/23ewr/faaffa/3FWERWR/afw432/  
我想在textbox2中显示textbox1中的第3个/与第四个/之间的字符，怎么截取。？
我是新手，，请大家告诉方法！谢谢

Answer 1

            string str = "abc/dfsa/23ewr/faaffa/3FWERWR/afw432/";
            Console.WriteLine(str.Substring(15,6));

Answer 2

void Main()
{
var str="abc/dfsa/23ewr/faaffa/3FWERWR/afw432/";
Console.WriteLine(str.Split('/').ElementAt(3)); //faaffa}

Answer 3

        string str = TextBox1.Text.Trim();
        string [] arr= str.Split(Convert.ToChar("/"));
        TextBox2.Text = arr[3];

Answer 4

Split分割为数组，按下标访问

Answer 5

 private void button1_Click(object sender, EventArgs e)
        {
            string str = textBox1.Text;           
            string[] s = str.Split('/');            
            textBox2.Text = s[3];
}