How do I plan regression testing?

[tlmorgan]

Include regression testing in your test architecture.

Planning for regression testing from the first step will reap rewards. You will produce reliable revised test scripts and have significantly better control of test timelines.

Proactively manage the test plan. Don’t let application scope creep squeeze the test team’s efforts.

Learn more here: Plan Ahead for Effective Regression Testing

[sbshaha]

Regression testing should be planned according to your fixes and releases.

[softwaretestingc]

What is regression testing?

Regression testing is type of testing carried out to ensure that changes made in the fixes or any enhancement changes are not impacting the previously working functionality. It is executed after enhancement or defect fixes in the software or its environment. It can be difficult to determine how much re-testing is needed, especially near the end of the development cycle.

This type of testing typically carried out by testing specialist peoples. The automated testing methods are the best and safe option to carry out the Regression testing. In the market there are many free as well as free (open source) software testing tools are available. In the larger software development project the Regression testing is commonly used.

You can see complete information here:
1) Regression testing definition
2) Regression testing is one step ahead than retesting