in reply to Re: zero-width assertions for extended regular expressionsin thread zero-width assertions for extended regular expressions
$ perl -e 'my $string = "54W"; warn "1 true\n" if $string =~ /(?<=4)W/
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
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