Not sure if this helps or not:
use strict;
use warnings;
my $bytes = pack 'N', 0x01020304;
my $bits = unpack('B32', $bytes);
my @counts;
while ($bits =~ /(0+|1+)/g) {
push @counts, length($1) * (substr($1, 0, 1) == 1 ? 1 : -1);
}
print "$bits\n@counts";
Output:
00000001000000100000001100000100
-7 1 -6 1 -7 2 -5 1 -2
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