Re: how to run regex calculation

Hallo

on 2020/1/9 16:35, demerphq wrote:
> $str=~/(\d+)\s(\d+)\s(\1*\2)/
> 
> $1 refers to the capture buffers from the last completed match, \1
> inside of the pattern part of a regex refers to the capture buffer of
> the currently matching regex.

This doesn't work too.

perl -Mstrict -le 'my $str = "2 3 6"; print "true" if 
$str=~/(\d+)\s(\d+)\s(\1*\2)/'

nothing printed.


Regards.