Later he regrets his action, but can no longer find her.

"I believe he regrets his actions more with every passing day."

If it wasn't, well, the captain might not let him live long enough to regret his actions.

Her words made him regret his actions, if only for an instant.

Moreover, they do not regret their actions because to them, it is part of being an American.

She probably wouldn't kill them, but she'd make sure they regretted their actions.

Yet she did not regret her action in coming.

The dog, regretting its previous action, did not accept the food.

He feels deep grief, but does not regret his actions.

The group who abandoned Jimmy regret their actions and set off to find him.