I'm trying to take a long piece of text, find a word, and get that word
and the 3 words on either side of it and put that new "string" into
another variable.

Example:

I have a sentence like "Robert likes green beans, girls with moustaches,
and teddy bears.  John thinks Robert is strange".  I am searching for
the word "Robert", so I want to return the following:

["Robert likes green", "bears. John thinks Robert is strange."]
(doesn't have to be in an array, but you get the idea)

I obviously use index to get the places where "Robert" can be found, but
any suggestion on how to do the rest?

Bonus points: if you can do the same thing for multiple words...back to
the example, but search for "green AND teddy"...you'd get:

["Robert likes green beans, girls", "with moustaches, and teddy bears.
John thinks"] as a result.

I'm posting this because I couldn't seem to find an easy way to do it..

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