What is the deference between regression testing and re-testing?

Answer Posted / raja selvan

Regression Testing : To ensure that changes in one part of
the software has no ill effect in the other part of the
software. Whenever the changes has made in the source code,
a set of pre defined testcase has been executed, check
whether any other portion of the sotware affected.

Re- test - Retesting means we testing only the certain part
of an application again and not considering how it will
effect in the other part or in the whole
application.

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