What are the specific Magic: The Gathering rules regarding regeneration and how does it impact gameplay strategies?

In Magic: The Gathering, regeneration is a ability that allows a creature to avoid being destroyed once. When a creature with regeneration would be destroyed, instead it is tapped, removed from combat, and all damage is removed from it. This ability can impact gameplay strategies by allowing players to protect their creatures from being destroyed in combat or by spells. Players can use regeneration strategically to keep their key creatures on the battlefield longer and maintain board presence.