Unfortunately that gig did mark one of my greatest regrets in life.

"Not getting to experience this firsthand is one of my greatest regrets," she wrote.

One of Brassens' greatest regrets was never to have met him.

In fact, our greatest regret is that we were forced to leave you to accomplish it on your own.

The fact that I didn't remains one of my greatest regrets.

He called never seeing Cowan again the greatest "regret of my life."

My greatest regret is that he could not have known of that.

Among his greatest regrets is the fact that he lacks a Pollock.

This news is received with the greatest regret by all.

This year the favorite seems to be, "What is your greatest regret?"