almost déjá vu

Have you ever had the feeling of having been in that situation before, but trying to recall when exactly did that situation occur, then coming to the realisation that this situation has not occured before, but it is the first time this is happening. Then remembering that you did actually experience a situation in which you were trying to remember when that happened but realising that it wasn't a case of repeating situations but a first time event, and it has indeed happened before, thus it was a case of a repeating situation with similar but distinct circumstances. ?