I felt a small thrill of curiosity, and deep regret.

They sometimes leave us with deep regrets about what could have happened, but didn't.

He felt a shadow of deep regret at her destruction, they had come a long way together.

And yet I sense in you only deep regret, not hatred.

It is a source of deep personal regret to me that you aren't bright enough to understand what I said.

He spread his hands wide in a gesture of deep regret.

There was no masking the deep regret he felt at his decision.

For a brief moment, the Colonel was filled with a deep regret.

There was no indignation in her voice- only deep regret.

To our very deep regret, that was not the case.