Question: Finite State Automata and Lexical Analysis ( Note: your FSAs should only accept all terms corresponding to the specified regular expression or pattern, but no

Finite State Automata and Lexical Analysis (Note: your FSAs should only accept all terms corresponding to the specified regular expression or pattern, but no other terms)

1.Suppose that during document indexing we are interested in identifying all dates in the format mm/dd/yyyy, where mm is a 2 digit string representing the month (ranging from 01 through 12), dd is a 2-digit string representing the day (01-31), and yyyy are 4 digits representing the year. Furthermore, we are only interested in the years between 1990 and 2019. Example: 02/30/2012. Construct a Finite State Automata that exactly recognizes date tokens as described above. Notes: You do not need to match the month with the correct number of days. You may assume thatdig is a special token representing all digits (0-9). Also, specify a regular expression that corresponds to the finite automata for this language.

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