Shoutbox

preg_match("/^\\\\0([a-zA-Z]+)\\\\01\\\\0(.*?)\\\\0(.*?)\\\\0(.*?)\\\\0(.*?)\\\\0(.*?)\\\\0(.*?)$/", $psm, $ico_match);

Note the quadruple backslashes.

Explanation: In JScript, the backslash is used to escpace certain special characters that are otherwise unprintable. To print a backslash therefore, you need to escape that too i.e. \\. So, for a double backslash, both need escaping, so \\\\.