From Chapter 3, Exhibit 6:
{ "title": "Hey Jude" // <-- Missing comma "group": "Beatles", ... }
[0-9]{1,2} U\.S\.\C. § \d+(\w+)?( \([0-9]{4}\))?
[0-9]{1,2} U\.S\.C\. § \d+(\w+)?( \([0-9]{4}\))?