
or causing REGRET in anyone
who asks about it.
The Big Bang Theory Season 9, Episode 10

something you
both REGRET,
The Big Bang Theory Season 5, Episode 13

Which we shall deeply REGRET.
Game of Thrones Season 2, Episode 4

and you'll REGRET leaving me
just because I sleep with other women.
Vikings Season 1, Episode 8

"Penny, just as Oppenheimer came to REGRET
his contributions to the first atomic bomb...
The Big Bang Theory Season 1, Episode 2