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Re: Lookahead assertion

by BrowserUk (Pope)
on Oct 17, 2013 at 03:53 UTC ( #1058593=note: print w/replies, xml ) Need Help??

in reply to Lookahead assertion

Read as: "lookahead (and capture) 3 digits; then step forward 1 anything".

$s = '1234567890';; print $1 while $s =~ m[(?=(\d{3})).]g;; 123 234 345 456 567 678 789 890

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