> re.pl
$ use URI
$ use URI::QueryParam
$ my $u = URI->new('axp/linker.php?gr=2&id=2s6d23&url=http://www.google.de/', 'http')
axp/linker.php?gr=2&id=2s6d23&url=http://www.google.de/
$ $u->query_param_delete('id')
2s6d23
$ "$u"
axp/linker.php?gr=2&url=http%3A%2F%2Fwww.google.de%2F