nožēlo in English:

Tom regrets what he did.

Even though he had made many mistakes, he didn't have any regrets.

Tom regrets having told Mary about the incident.

Tom regrets telling Mary his telephone number.

She regrets that she failed the examination.

He regrets his mistake.

He regrets having neglected his studies in his school days.

If I'm going to have a wedding ceremony, I want it to be the best ever so I have no regrets!

Truthfully, if I'd said I didn't have any regrets over my snap decision I'd have been lying.

It's too late for regrets.

I have many regrets.

The management regrets any inconvenience to customers caused by the building work.

Brian regrets starting a relationship with her and wants to escape from her.

It will not be long before she regrets it.

The only thing one never regrets are one's mistakes.