code: def replaceSelected(self):
          
          SCI = self.qteWidget
  
          # Restore the original styling.
          self.qteWidget.SCISetStylingEx(0, 0, self.styleOrig)
  
          # Select the region spanned by the string to replace.
          start, stop = self.matchList[self.selMatchIdx]
          line1, col1 = SCI.lineIndexFromPosition(start)
          line2, col2 = SCI.lineIndexFromPosition(stop)
          SCI.setSelection(line1, col1, line2, col2)
  
          text = SCI.selectedText()
          text = re.sub(self.toReplace, self.toReplaceWith, text)
  
          # Replace that region with the new string and move the cursor
          # to the end of that string.
          SCI.replaceSelectedText(text)
          line, col = SCI.lineIndexFromPosition(start + len(text))
          SCI.setCursorPosition(line, col)
  
          # Backup the new document style bits.
          line, col = SCI.getNumLinesAndColumns()
          text, style = self.qteWidget.SCIGetStyledText((0, 0, line, col))
          self.styleOrig = style
  
          # Determine if this was the last entry in the match list.
          if len(self.matchList) == self.selMatchIdx + 1:
              return False
          else:
              self.highlightAllMatches()
              return True
docs: Replace the currently selected string with the new one.
  
          The method return **False** if another match to the right
          of the cursor exists, and **True** if not (ie. when the
          end of the document was reached).