Sorry, I don't understand your answer. What exactly is wrong with the approach that uses split? 

$_ = '1.2.3.4.5.6 foo bar';
if (/((?:\d+\.)+(\d+)/) {
    my @matches = (split(/\./, $1), $2)
}

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In reply to Re^3: What's wrong with this regex by moritz
in thread What's wrong with this regex by bgu

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