regex - 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 as if a hand had clutched them in the centre and flung them aside." using regular expression.

I tried to use this .*? flung (?<sub>.*?)., but it starts searching from the beginning of the line.

How could I solve the problem?

As she did so, a most extraordinary thing happened. The bed-clothes gathered themselves together, leapt up suddenly into a sort of peak, and then jumped headlong over the bottom rail. It was exactly as if a hand had clutched them in the centre and flung them aside. Immediately after, .........

Answer 1

Here you go,

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

DEMO

OR

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

DEMO