$icerik = preg_replace("/#(\w+)/", "<a class=\"text-danger\" href=\"search.php?term=\\1\" target=\"\">#\\1</a>", $icerik);
$icerik = preg_replace("/@(\w+)/", "<a class=\"text-info\" href=\"profile.php?name=\\1\" target=\"\">@\\1</a>", $icerik);