Question: 2 . Write a regular expression for the following language over the alphabet { 0 , 1 } : The set of all strings with

2. Write a regular expression for the following language over the alphabet
{0,1}: The set of all strings with at most one pair of consecutive 0s
and at most one pair of consecutive 1s.
4. Prove that every language with nonempty complement is contained in
a regular language with nonempty complement.

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