Solved! In my java file: @Property private int productAmount; The "productAmount" is int type. So the regexp validator doesn't works.
Thanks a lot Taha! This case confused me. Why and how this happened?
Solved! In my java file: @Property private int productAmount; The "productAmount" is int type. So the regexp validator doesn't works.
Thanks a lot Taha! This case confused me. Why and how this happened?