Question 2978 – 2013 December UGC NET Paper 1
February 13, 2024Question 2979 – 2013 December UGC NET Paper 1
February 13, 2024Regular-Expression
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Question 1
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In some programming languages, an identifier is permitted to be a letter following by any number of letters or digits. If L and D denote the sets of letters and digits respectively, which of the following expressions defines an identifier?
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(L ∪ D)+
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L(L ∪ D)*
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(L⋅D)*
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L⋅(L⋅D)*
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Question 1 Explanation:
Which is to be letter followed by any number of letters (or) digits
L(L ∪ D)*
L(L ∪ D)*
Correct Answer: B
Question 1 Explanation:
Which is to be letter followed by any number of letters (or) digits
L(L ∪ D)*
L(L ∪ D)*