import re
zDiscs = re.search(r'(\sNumber of copies: (\d{1,2}))', " 12/13/2013 08:11:25 Number of Discs in Set: 2 - Number of copies: 2", re.I)
print(zDiscs.group(2))
aW1wb3J0IHJlCnpEaXNjcyA9IHJlLnNlYXJjaChyJyhcc051bWJlciBvZiBjb3BpZXM6IChcZHsxLDJ9KSknLCAiIDEyLzEzLzIwMTMgMDg6MTE6MjUgIE51bWJlciBvZiBEaXNjcyBpbiBTZXQ6IDIgLSBOdW1iZXIgb2YgY29waWVzOiAyIiwgcmUuSSkKcHJpbnQoekRpc2NzLmdyb3VwKDIpKQ==