Click the Find Duplicate button on the Search toolbar of the AceText Editor to find a clip that is a duplicate of the active clip. A clip is considered to be a duplicate of the active clip if all the parts that you selected in the search options are the same between the active clip and the other clip. If a part differ only in case between the two clips, then turning on the “case sensitive” search option treats the clips as different, while turning it off treats them as duplicates. The “all clips in all collections” search option determines whether Find Duplicate looks for duplicates in other collections too.
The other search options are not used by the Find Duplicate command. It always searches through all clips in the active collection. It always loops automatically if there is no duplicate of the active clip below the active clip.