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Regular expression x/y denotes which of the following set?

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Regular expression x/y denotes which of the following set?

(a) {x,y}

(b) {xy}

(c) {x}

(d) {y}

I had been asked this question in an online quiz.

This intriguing question originated from Finite Automata and Regular Expressions topic in chapter Compiler Introduction of Compiler

1 Answer

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Best answer
Correct choice is (a) {x,y}

Explanation: Because either x or y can be selected.

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