The set of all strings over Sigma = {a,b} in which all strings having bbbb as substring is Options: A . &nbsp(a+b)* bbbb (a+b)* B . &nbsp(a+b)* bb (a+b)*bb C . &nbspbbbb (a+b)* D . &nbspbb (a+b)*

The set of all strings over Sigma = {a,b} in which all strings having bbbb as s

Question

The set of all strings over Sigma = {a,b} in which all strings having bbbb as substring is

Options:

A . (a+b)* bbbb (a+b)*

B . (a+b)* bb (a+b)*bb

C . bbbb (a+b)*

D . bb (a+b)*

Answer: Option A

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