preg_replace

[TTayfun]

i want to replace this part:

<pre class="alt2" dir="ltr" style="
margin: 0px;
margin-top: 5px;
padding: 4px;
border: 1px inset;
width: 650px;
height: 50px;
text-align: left;
overflow: auto">


with $vbphrase[nolink]. what it comes true xxxxx? in code below:

$this->post['message'] = preg_replace("xxxxx", $vbphrase[nolink], $this->post['message']);