Need help with regular expressions

[davy39]

Hi folks,
I'm actually in trouble about some regex in order to import books properly.
Hopefully someone more experimented than me will have time to help me...

My book's names are in this general format :

(serie serieindex) author1, author2, author3,... -book title_ second part of title (serie serieindex)-editor (year of publication).epub

Here're some more details :
- Both fields or part of field (ie serieindex & second part of title) are optionals
- if no author name, book will be name "(serie serieindex) - title.epub"
- in title field, it would be nice if "_" could be replaced by ":"
-Last tricky part, serie+serieindex could be in two different places, sometime even both in the same time. If not possible to combine those two, just keep the one at the begining.

Thanks for your help, I'll keep strugling on this for a while