I can not figure out why its output changes. 

my $nothing = '';
my $list = <<LIST;
thing 1
thing 2 $nothing
thing  3
thing  4
LIST
$list =~ s/\s{2}/2/g;
print $list;
# output:
#thing 1
#thing 22thing23
#thing24

[download]

I would like the output. 

thing 1
thing 2
thing23
thing24

[download]

In reply to Perl regex. Why does this happen? by $h4X4_&#124;=73}{

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