what is the difference between functionality testing and
regression testing

Answer Posted / vsubraya

Functional Testing as good as System
behaviour/functionality testing and also known as Black Box
(Enter Data/info in Client side and see the expected Output
on Screen or output devices.

Regression is re-do the same as above but after adding new
functionality/module to see whether any more bugs can be
found and also see that previous functionality is still
same as agreed.

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