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Q. |
In some programming languages, an identifier is permitted to be a letter followed by any number of letters or digits. If L and D denotes the set of letters and digit respectively. Which of the following expression defines an identifier? |
A. | (L + D) * |
B. | (L.D) * |
C. | L(L + D) * |
D. | L(L.D) * |
Answer» C. L(L + D) * |
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