I regret the incident and have apologised accordingly.
Times, Sunday Times (2011)
We do very much regret the incident and the discomfort caused.
Times, Sunday Times (2016)
The company said that it deeply regrets the incidents involving its appliances, but does not consider there was any unnecessary delay in the recall.
Times, Sunday Times (2015)
Seemajor incident
Definition of 'regret'
regret
(rɪgret)Explore 'regret' in the dictionary
verb
You can say that you regret something as a polite way of saying that you are sorry about it. You use expressions such as I regret to say or I regret to inform you to show that you are sorry about something.