Which of the following regular expressions denotes zero or more instances of an a or b ?
| A. | a | b |
| B. | (ab)* |
| C. | (a | b)* |
| D. | a* I b |
Answer : C Explanation : debi said: (3:07pm on Thursday 18th April 2013)
I BELIEVE IT IS OPTION C AS IN QUESTION IT IS EMPHASIZING ON 0 OR(OR BEING IMPORTANT) MORE INSTANCES OF A OR B
punit said: (12:45pm on Wednesday 8th May 2013)
I think most suitable answer is c as it gives all instances of a and b. its provide all string of length 0 or more. B does not provide string of odd length
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
