What is a Regular Language?
Here we define what a regular language is, in that it corresponds to a DFA (deterministic finite automaton). All that is needed is for the DFA to exist, and not necessarily to give the DFA precisely. We also give some examples of regular languages that we have seen before.
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▶ADDITIONAL QUESTIONS◀
1. Give an infinite regular language that is not Sigma*.
2. What can we say about L if L is a finite language?
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I am a professor of Computer Science, and am passionate about CS theory. I have taught over 12 courses at Arizona State University, as well as Colgate University, including several sections of undergraduate theory.