Question: Construct an RE , an NFA, and a DFA that recognizes the following tokens: 1 . Keywords: int, float, return, if , else 2 .

Construct an RE, an NFA, and a DFA that recognizes the following tokens:
1. Keywords: int, float, return, if, else
2. Operators: +,-,*,/
3. Identifiers: Strings starting with a letter followed by letters and digits.

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