There is a close relationship between a finite automata and the regular expression
Equivalence of Finite Automata and Regular Expressions
There
is a close relationship between a finite automata and the regular expression we
can show this relation in Fig. 2.2.1.

The Fig. 2.2.1 shows
that it is convenient to convert the regular expression to NFA with &
moves. Let us see the theorem based on this conversion.
Theory of Computation: Unit II: Regular Expressions and Languages : Tag: : Regular Expressions and Languages - Theory of Computation - Equivalence of Finite Automata and Regular Expressions
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