my link protection

on @*:text:*:#:linkpost $1-
on @*:action:*:#:linkpost $1-
on @*:notice:*:#:linkpost $1-
alias -l linkpost {
  if ((!%p) && (!$hfind(permit,$nick))) { inc -u4 %p
    var %purge /^!(link\so(n|ff)|(permit))\b/iS
    var %domain com|edu|gov|mil|net|org|biz|info|name|museum|us|ca|uk
    var %link /(?<=^|\s)((?>\S{3,8}:\/\/|w{3}\56)\S+)|\56( $+ %domain $+ )\b/iS
    if ($findtok(%chanon,#,1,32)) && ($nick(#,$nick,vr)) && ($regex($1-,%link)) {
      kick # $nick | /mode # -b $nick
      msg # $nick -> plz don't post links
      msg # /timeout $nick 30
    }
    elseif (($regex($1-,%purge)) && ($regml(1) = permit) && ($nick isop #) && ($$2 ison #)) {
      hadd -mz permit $v1 30 | notice $v1 You have 30 seconds to post a link. Starting now!
    }
    elseif (($regml(1) = link on) && ($nick isop #)) {
      goto $iif(!$istok(%chanon,#,32),a,b) | :a | set %chanon $addtok(%chanon,#,32)
      .msg # Link Protection Is Now on in: $+($chr(2),#)
      halt | :b | .msg # $nick $+ , my link protection is already on  $&
        $+($chr(2),#,$chr(2)) !
    }
    elseif (($regml(1) = link off) && ($nick isop #)) {
      goto $iif($istok(%chanon,#,32),c,d) | :c | set %chanon $remtok(%chanon,#,1,32)
      .msg # Link Protection Is Now off in: $+($chr(2),#)
      halt | :d | .msg # $nick $+ , My link protection is already off $&
        !
    }
  }
}