ISRO CS-2023
August 29, 2024ISRO CS-2023
August 29, 2024ISRO CS-2023
Question 64 |
Consider the NFA with epsilon-transitions below, which is meant to accept strings corresponding to a lexical token id. Here the token digit corresponds to the extended regular expression [0-9]and letter to [a-z A-Zl. In the diagram, a small incoming edge indicates a start state while a double circle indicates a final state. Which of the following extended regular expressions corresponds to the token id?
letter (letter|digit)* | |
(letter | digit)* letter
| |
(letter | digit)*
| |
letter (letter* | digit*) |
Correct Answer: A
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