#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say };

for my $s (qw( AS:i:-4 AS:i:4 )) {
    say $s =~ /-?\d+/g;
}
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See Quantifiers for details.

($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,
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