Difference between regression and retesting?

Question

Accepted Answer

Regression testing is testing the entire application after making changes, while retesting is testing only the failed test cases.

Regression testing is done to ensure that the changes made to the application have not affected the existing functionality.
Retesting is done to ensure that the defects found in the previous testing cycle have been fixed.
Regression testing is time-consuming and requires a lot of resources.
Retesting is less time-consuming and requires fewer resources.
Example: After fixing a defect, retesting is done to ensure that the defect has been fixed and the application is working as expected.
Example: After adding a new feature, regression testing is done to ensure that the existing functionality has not been affected.

Accepted Answer

Regression testing is a testing which will be done after code deployment to ensure that new code changes have no impact on existing functionality of the application. Whereas retesting is testing after defect fix

Difference between regression and retesting?

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