I want the regular expression for removing the &b=some value
<p>I have the url <a href="http://www.yahoo.com;b=&amp;90" rel="nofollow">http://www.yahoo.com;b=&amp;90</a></p>

<p>I want to remove the b=&amp;90 without hardcoading value</p>

<pre><code>String finalUrl =decodedUrl.replace("&amp;b=90","");
                page.setPageUrl(finalUrl);
</code></pre>
