import re
text = "((AC00001234 + AC00005678) / 365) * (5 + 10)"
results = list(filter(None, re.findall(r'AC\d{8}|(\d+)', text)))
print( results )
aW1wb3J0IHJlCnRleHQgPSAiKChBQzAwMDAxMjM0ICsgQUMwMDAwNTY3OCkgLyAzNjUpICogKDUgKyAxMCkiCnJlc3VsdHMgPSBsaXN0KGZpbHRlcihOb25lLCByZS5maW5kYWxsKHInQUNcZHs4fXwoXGQrKScsIHRleHQpKSkKcHJpbnQoIHJlc3VsdHMgKQ==