Tricky question. Andrew Lang wrote Aribian nights in 1855, however the story originated from aribic in 1706... And the merchant and the genie was a story about Abou Hassan, first written in English by, John Payne.
Another word for no regrets is impenitent.
Impenitent means to not have any regrets or feel any shame about one's attitude or actions.
Examples of impenitent in a sentence :
-The bully was impenitent when he pushed the little boy off the swings.
-Julie's impenitent attitude after reading Sara's diary in front of her whole class, led to detention from the Headmistress.
Isn't it hug?
That is the best I could come up with
