1. 1. Introduction
2. 2. Regular Expression Syntax
3. 3. Flags
4. 4. Functions
5. 1. 4.1. search()
   2. 4.2. match()
   3. 4.3. findAll()
   4. 4.4. findIter()
   5. 4.5. replace()
   6. 4.6. sub()
   7. 4.7. split()
   8. 4.8. inspectRegex()
   9. 4.9. inspectState()
   10. 4.10. enableDebug()
6. 5. Match Records
7. 6. Unicode Properties
8. 7. Backreferences
9. 8. Look Around Assertions
10. 9. Examples
11. 10. Contributions