rule hour { [1\d | 2<[0..4]>] | 0?\d | <[*]> } rather, assuming that the range for hours is 1..24 and not 0..23.

similarly, 

rule day { 31 | 30 | <[0..2]>?\d | <[*]> }
rule month { 1<[210]> | 0?\d | <[*]> }

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In reply to Re^2: simple pattern match ? by Anonymous Monk
in thread simple pattern match ? by Anonymous Monk

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