Untitled

        private void button1_Click(object sender, EventArgs e)
        {
            String ln = textBox1.Text;
            if (!ln.StartsWith("<") && !ln.EndsWith(">"))
            {
                MessageBox.Show("Ikke korrekt HTML tag");
                return 0;
            }
            else
            {
                MessageBox.Show("Wuhu");
            }
        }