differentiate retesting and regression testing

Question

Accepted Answer

Retesting is testing the same functionality again after fixing defects while regression testing is testing the unchanged functionality to ensure it still works after changes.

Retesting is done to ensure that the defects found in the previous test cycle have been fixed
Regression testing is done to ensure that the unchanged functionality still works after changes have been made
Retesting is done after fixing defects while regression testing is done after any changes have been made to the code
Retesting is a subset of regression testing
Example: Retesting would involve testing a login functionality again after fixing a defect while regression testing would involve testing the entire application after a new feature has been added

differentiate retesting and regression testing

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