AutoWikiBrowser.MainForm.btnRemove_Click C# (CSharp) Method

        private void btnRemove_Click(object sender, EventArgs e)
        {
            EditBoxTab.SelectedTab = tpEdit;
            string selectedtext = txtEdit.SelectedText;
            if (selectedtext.StartsWith("[[") && selectedtext.EndsWith("]]"))
            {
                selectedtext = selectedtext.Trim('[').Trim(']');
                if (selectedtext.EndsWith("|"))
                {
                    if (selectedtext.Contains("(") && selectedtext.Contains(")"))
                        selectedtext = selectedtext.Substring(0, selectedtext.IndexOf("("));
                    if (selectedtext.Contains(":"))
                        selectedtext = selectedtext.Substring(selectedtext.IndexOf(":")).TrimEnd('|');
                    if (txtEdit.SelectedText == "[[" + selectedtext + "]]")
                    {
                        MessageBox.Show("The selected link could not be removed.");
                        selectedtext = "[[" + selectedtext + "]]";
                    }
                }
                else if (selectedtext.Contains("|"))
                    selectedtext = selectedtext.Substring(selectedtext.IndexOf("|") + 1);

                txtEdit.SelectedText = selectedtext;
                txtEdit.ResetFind();
            }
            else
                MessageBox.Show("Select a link to remove either manually or by clicking a link in the list above.");
        }