private void Search_Button_Click(object sender, EventArgs e) { RegexHelper regex = new RegexHelper(); regex.AddSearchPattern(Debug_checkBox.Checked, "(?:Debug)"); regex.AddSearchPattern(Info_checkBox.Checked, "(?:Info)"); regex.AddSearchPattern(Warning_checkBox.Checked, "(?:Warning)"); regex.AddSearchPattern(Error_checkBox.Checked, "(?:Error)"); Output_textBox.Text = loger.ReadLog(regex); }