Thanks - I think I got it
A - \1 was one of many things I tried
B - that was what I was missing
BTW - I added a Series and that helped
Now for my next project ...
"Doctor Who - Target Novelisations - 001 - The Abominable Snowmen"
a RegEx of
(.*) \- (.*) \- (.*) \- (.*)
should allow me to put
\1 into Series
\3 into Series Index
\4 into Title