Answer / ashokkumar

Consider an Example.
you have modules like add, delete, modify, cancel and ok
buttons.
you have already 150 test cases for the above.

Now You are going to introduce an other module ie, edit,
for this You have 50 test cases.

After integrated edit with other modules,
you check 50 test cases working correctly or not. This is
Regression Testing,

Now all together you should check all the 150 + 50 test
cases, ie called Retesting.

Answer / raj

Retesting :running a test morethan once
Regression testing:It is a test used to verify that already
tested software is still functioning correctly or not and
not affected by the test object and the environment.The
main aim of regression testing is to check whether it has
any unexpected side effects after fixing a bug.

what we can conclude is if regression testing is a super-
set then retesting is a subset

let me know ur answer

Answer / kiran

retesting means testing whole document again then it is
called as retesting.testing once again from starting to
ending is retesting

testing particular point where changes taken place.testing
the particular place where the bug fixed by the
developer.testing whether that changes effecting on code or
not it is called as regression testing

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