Implement Data Parts Rules Operators

[romaklimenko]

1. [x] Begins With
2. [x] Contains
3. [x] Ends With
4. [x] Equals
5. [x] Exists
6. [x] In
7. [x] Is Not Null
8. [x] Is Null
9. [x] Matches Pattern
10. [x] Not Begins With
11. [x] Not Contains
12. [x] Not Ends With
13. [x] Not Equal
14. [x] Does Not Exist
15. [x] Not In
16. [x] Does Not Match Pattern
17. [x] Greater
18. [x] Greater or Equal
19. [x] Less
20. [x] Less or Equal
21. [x] Between
22. [x] Not Between