function findtok($text,$token,$n,$c) {
      $text=explode($c,$text);
      foreach ($text as $num => $match) 
        if ($match==$token) $all.=$num+1 ." ";
      $a=numtok($all," ");
      if ($n!=0&&$n<=$a) return gettok($all,$c,$n);
      else return $a-1;
    }
    function reptok ($text,$token,$new,$n,$c) {
      $text=explode($c,$text);
      foreach ($text as $num => $match) {
        if ($match==$token) {
          $a++;
          if ($a==$n||$n==0) $text[$num]=$new;
        }
      }
      return implode($c,$text);
    }
    function regtok($text,$string,$n,$c) {
      $text=explode($c,$text);
      foreach ($text as $num => $match)
        if (preg_match($string,$match)) $all.=$num+1 ." ";
      $a=numtok($all," ");
      if ($n!=0&&$n<=$a) return gettok($all,$c,$n);
      else return $a-1;
    }

they all follow same syntax as mIRC
you can use regtok for wildtok just add a '/' before and after the wildcard string