Question 2978 – 2013 December UGC NET Paper 1
February 13, 2024Question 2979 – 2013 December UGC NET Paper 1
February 13, 2024Regular-Expression
| Question 1 |
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?
| (L ∪ D)+ | |
| L(L ∪ D)* | |
| (L⋅D)* | |
| L⋅(L⋅D)* |
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)*