So, it's possible to add tags from filename with vbscript but i have problem to extract year in parenthesis with regexp.
file : 08 - artist - title (2011).mp3
regexp : ([0-9]) - (.) - (.) ([0-9])(.mp3)
\1 : 08
\2 : artist
\3 : title (2011)
\4 : nothing 
\5 : .mp3
Can somebody help ?