Regular expression to extract whole sentences with matching word

Question

I would like to extract sentences with the word \"flung\" in the whole text.

For example, in the following text, I\'d like to extract the sentence \"It was exactly

Answer 1

Here you go,

[^.]* flung [^.]*\.

DEMO

OR

[^.?!]*(?<=[.?\s!])flung(?=[\s.?!])[^.?!]*[.?!]

DEMO