Well, use re 'debug'; and YAPE::Regex::Explain and try to figure out why :)

My guess, trial and error involves a lot of error *ZING* :D

Seriously, this (unspecified format, formatted) input is looking more and more like CSV where the separator is a semi-colon, THUS, I would use Text::CSV//Text::xSV and be finished (hopefully).

PS, FWIW, I'm fatigued, no more posts from me :)