$nertext = trim($nertext);

preg_match("/~([A-Za-z0-9_]+)~/s", $keyword, $conditions);
if(isset($_REQUEST['q']) && $keyword = '~q~')
{
	preg_match("/~([A-Za-z0-9_]+)~/s", $keyword, $conditions);
	$keyword = addslashes(trim($_REQUEST['q']));
}

$taghash = md5(serialize($ctag).$typeid);

$taghash = md5(serialize($ctag).$typeid.$keyword);

{dede:channelartlist row=5 typeid=}
<h2>{dede:field.typename/}</h2>
<div>
	<ul>
		{dede:arclist row='20' titlelen='250' keyword='~q~'}
		<li>
			<a href="[field:arcurl/]" target="_blank">[field:title/]</a>
		</li>
		{/dede:arclist}
	</ul>
</div>
{/dede:channelartlist}