# incorrect.
if (substr($req_uri, 0, 1) ne '/') {
my ($match) = $req_uri =~ m|^([^/]+)|;
- my $idx = index($path_info, $match) + length($match);
- my $path_info_part = substr($path_info, 0, $idx);
+ my ($path_info_part) = $path_info =~ m|^(.*?\Q$match\E)|;
substr($req_uri, 0, length($match), $path_info_part);
}
$path_info = $req_uri;