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ANSWER ALL THE PARTS. a. Explain why regex commonly used in text editors are not regular expressions. [5 marks] b. Can {anbnn>=1} be accepted by

ANSWER ALL THE PARTS.

a. Explain why regex commonly used in text editors are not regular expressions. [5 marks] b. Can {anbnn>=1} be accepted by a DFA? Justify your answer. [8 marks] c. Construct a CFG for the given regular expressions over alphabet {a,b}. Indicate terminals and non-terminals. i. a ii. ab(abb)ba iii. (bla)(bbbaa)+aaa(ab)

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