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Which of the following regular expression is equal to (r1+r2)*?
Correct Answer: D
Question 378 Explanation:
→ We can also get many number of r1 and many number of r2.
→ Given in regular expression to get together also many number of occurrences.
So, correct answer is option D.
→ Given in regular expression to get together also many number of occurrences.
So, correct answer is option D.
r1*r2*
(r1r2)*
r1*r2*+r1r2
(r1*r2*)*
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