What is the exact difference between retesting & regression
testing? Please advise in detail

Answer Posted / ms sahithi

Retesting:Perform testing on the same functionality again
and again with multiple sets of data inorder to come to a
conclusion whether it is working fine or not.

Regression: Perform testing on the already tested
functionality again and again.

Difference:
Re-testing will start from first build and continuous upto
the last build.

Re-gression will start from the second build and continuous
upto the last build.

During re-gression testing also re-testing will be done
that is the reason some people call it as "Re-Regression
testing".

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