Many universities divested; those that did not will regret their failure.

I regretted my failure to ask her name.

Now he regretted his failure to make that second call to the woman who was still waiting, a quarter of a million miles away.

In other ways, though, she regretted the investigation's failure.

He had just begun to feel thirsty and was regretting his failure to bring water with him.

The Times regrets its failure to include such a clear statement of the article's limits and intent.

He regrets his failure to kiss her when he had the chance.

He later said he regretted his failure to act.

Mr. Clinton is said to regret his failure to reach agreement in April.

I cannot regret my failure to carry out your orders.