Difference between Retesting and Regression Testing

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Difference between retesting and regression testing it is classified two testing. Both regression testing and retesting

Retesting	Regression Testing
Retesting is the method of re-execution of same build or applications with multiple test data	Regression testing is conducted on modified build to make sure there will not be impact on existing functionality.
Retesting include defect verification.	Does not include defect verification.
Retesting known as planned testing.	Regression testing is known as general testing.
Retesting is done for identify defect is successfully removed or not.	New functionality gets added that time we check impact on other module.
Retesting is time consuming process because of we focus on only defect.	Regression is more time consuming process, because in that testing we check overall functionality of application.
Retesting is done on only failed test cases.	Regression testing is done only the passed test cases
In retesting we check the specific defect ,We can not be automated.	But in regression we can performed automation.