SE may have another name for "regenerate" such as "replay" or "update" the part's history. You can also try looking up "history". Remember also that we have many SE resources, see below:

SE Tips
http://www.3dcadtips.com/go.php?topic=1&cat=21

SE Tutorials
http://www.3dcadtips.com/go.php?topic=2&cat=771

SE Books
http://www.3dcadtips.com/go.php?topic=3&cat=3180

SE Models
http://www.3dcadtips.com/go.php?topic=6&cat=1767

SE Downloads
http://www.3dcadtips.com/go.php?topic=5&cat=2434

Good luck!
3DCADTips Help Desk