private void OnOptionsChanged()
 {
     if (_isLoading)
     {
         return;
     }
     try
     {
         txtRegex.SaveSettingsToFile(AppContext.Instance.Settings.SettingsFileNameEditor);
     }
     catch (Exception e)
     {
         MessageBox.Show("Could not save settings to file: \n" + e.Message);
     }
 }