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Re^2: A regex that only matches at offset that are multiples of a given N?

by tobyink (Abbot)
on Feb 16, 2013 at 07:57 UTC ( #1019020=note: print w/replies, xml ) Need Help??

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  1. or download this
    /(?(?{pos() % 2 == 0})(b[xyz])(*FAIL))/g
    

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