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The following EBNF rules describe the syntax of decimal literals in Ada. Write a single Perl pattern that matches these literals. Simplify your pattern as
The following EBNF rules describe the syntax of decimal literals in Ada. Write a single Perl pattern that matches these literals. Simplify your pattern as much as possible. rightarrow [.] [] rightarrow {[underline] } rightarrow E[+ | -] rightarrow 0 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 rightarrow _
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