validator

class Validator to validate input fields

Actual valid methods to validate inputs

1. required
2. date
3. minlength
4. maxlength
5. exactlength
6. greaterthan
7. lessthan
8. alpha
9. alphanumeric
10. integer
11. float
12. numeric
13. email
14. url
15. phone
16. zipcode
17. startswith
18. endswith
19. contains
20. regex
21. inlist