1. Dart
2. dart:core
3. RegExp
4. pattern property

RegExp class

1. Constructors
2. RegExp
3. Properties
4. isCaseSensitive
5. isMultiLine
6. pattern
7. hashCode
8. runtimeType
9. Methods
10. allMatches
11. firstMatch
12. hasMatch
13. stringMatch
14. matchAsPrefix
15. noSuchMethod
16. toString
17. Operators
18. operator ==
19. Static methods
20. escape

String get pattern;