Definition from macmillandictionary.com
Your browser doesn’t support HTML5 audio
We regret any inconvenience caused by the delay.
I regret that I will not be with you on such an important occasion.
Have you never done anything you regret?
I’m glad you’re coming with us. You won’t regret it.
I don’t regret moving to York.
This is one decision you’ll live to regret.
I deeply regret what happened – there is no excuse for it.