Question: This class defines a language L as a possibly - infinite set of words. Our goal is to be able to develop machines that can

This class defines a language L as a possibly-infinite set of words. Our goal is to be able to develop machines that can decide if a given word w belongs to L.
Our first attempt at exploring such machines is having us look at the regular expression, which is a compact, finite way of describing the words that belong to some language.

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