Different between retest testing and regression testing

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Retest testing is done to verify if a failed test case has been fixed, while regression testing is done to ensure that changes made to the software do not affect existing functionality.

Retest testing is done after a failed test case has been fixed to ensure that it now passes.
Regression testing is done to ensure that changes made to the software do not affect existing functionality.
Retest testing is a subset of regression testing.
Regression testing is done after every change made to the software.
Retest testing is done only for failed test cases.
Example: If a login functionality failed during testing and was fixed, retest testing would be done to ensure that it now works as expected. Regression testing would be done to ensure that other functionalities that were not changed are still working as expected.

Different between retest testing and regression testing

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