code: def refresh_regexp(self):
      state = RegexpState()
      regexp_text = self.__value
      self.regexp_display.StartStyling(0)
      self.regexp_display.SetStyling(len(regexp_text), STYLE_ERROR)
      try:
          parse(regexp_text, state)
      except:
          pass
      for i in range(state.position):
          self.regexp_display.StartStyling(i)
          self.regexp_display.SetStyling(1, state.token_labels[i])
      pos = self.regexp_display.CurrentPos
      if state.open_expression_start is not None:
          self.regexp_display.BraceBadLight(state.open_expression_start)
      elif (
          0 < pos < len(state.matching_braces)
          and state.matching_braces[pos - 1] is not None
      ):
          self.regexp_display.BraceHighlight(
              state.matching_braces[pos - 1], pos - 1
          )
      else:
          self.regexp_display.BraceHighlight(
              wx.stc.STC_INVALID_POSITION, wx.stc.STC_INVALID_POSITION
          )
  
imports: import re
  import wx
  import wx.stc
label_desc: Use image node_id 10 for calling the RegexpDialog obj's underlying member method code with example usage: obj.refresh_regexp() without return types