COMPUTER SCIENCE AND ENGINEERING
COMPILER DESIGN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Regular expression for an identifier is
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(letter | digit)*
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(letter)(letter | digit)*
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(letter)* (letter | digit)*
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(letter)+ (letter | digit)* */ . The last example includes parentheses, which are used as a memory device.
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Explanation:
There is 1 question to complete.