- 5 ILCS 170/01
- 5 ILCS 170/1
- 5 ILCS 220/3.2
- 750 ILCS 36/209
Chapters (the first segment) are 1–3 digits. ILCS always appears as the second segment. The third segment is 1–3 digits. And the final segment is 1–3 digits, plus an optional decimal.
([0-9]{1,3})\sILCS\s([0-9]{1,3})\/([0-9\.]{1,3})