I need to remove href for the links containing "ext" text

```
<a id="ctl00_" href="http://www.ext.com/aktiq" target="_blank">Akti</a>

```

I can't get it working

```
$("a[href]:contains('ext')").remove();
$("[href]:contains('ext')").remove();
$("href:contains('ext')").remove();

```