Computers - Using alternation in a POSIX-extended regular expression, which numbers would this pattern match? ```bash ^(([0-9][0-9]?)|(2[0-9][0-9]))$ ```

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Using alternation in a POSIX-extended regular expression, which numbers would this pattern match?

^(([0-9][0-9]?)|(2[0-9][0-9]))$

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