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Re^2: Substitution of a particular letter in all combinations of positions in word (see inside)

by AnomalousMonk (Canon)
on Jan 09, 2013 at 14:39 UTC ( #1012502=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -wMstrict -le
    "printf qq{'$_' } for glob('ferber' =~ s{e}{{e,a}}xmsgr);
    "
    'ferber' 'ferbar' 'farber' 'farbar'
    

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