When the text specified in the Find/Replace dialog has been located and focus is returned to the editor pane, you can make further searches in the reverse direction in the editor pane for that text.
To find the next occurrence of specified text in the reverse direction, perform one of the following actions
Select the Find Again Reverse Direction command from the Edit menu
Press Shift+F3
The next occurrence in the reverse direction of that text is then located and highlighted or the Message dialog is displayed, advising you that the search text was not found if no further occurrences of that text are located.
If the search was specified as a forward search, the reverse search is performed backwards. Conversely, if the search was specified as a backwards search, the reverse search is forwards.
The Shift+F3 shortcut (Find Again Reverse) is listed in the table of Find category shortcuts in the Short Cut Keys sheet of the Preferences dialog. You can change this shortcut key to a combination of your choice.