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Perform a direct construction

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Reference no: EM13701617

Give a regular expression for each of the subsequent languages by performing a direct construction.

Part 1: The set of binary strings not containing consecutive 1's.

Part 2: The set of binary strings containing exactly one instance of 11 somewhere inside.

Part 3: The set of binary strings with at most one pair of consecutive 1's--i.e. if 11 is present, it can occur exactly once.

This one is complex and I don't know how to do it

 

Reference no: EM13701617

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