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#!/usr/bin/perl use warnings; ... my @parts; push @parts, "[$1 $2]" while $equation =~ /(.*?)([xyz])\s*/gi; say for @parts;
my @parts = $equation =~ /(.*?)([xyz])\s*/gi; say for @parts;
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,