the #s at the end of the string

When asking help on regular expressions, please show several pieces of example input, for example we don't know what these #s are. Even better, use the following template, it will help you while you work on the regex as well:

use warnings;
use strict;
use Test::More;

my $regex = qr/foo(.+)/;

like "foobar", $regex;
ok "foobar" =~ $regex;
is $1, "bar";
unlike "quzbaz", $regex;
# ... lots more test cases here!

done_testing;
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Update: Added demonstration of how to test $1 etc. to the above code.