Best way to remove trailing slashes in URLs with PHP

Question

I have some URLs, like www.amazon.com/, www.digg.com or www.microsoft.com/ and I want to remove the trailing slash, if it exists, so not j

Answer 1

$urls="www.amazon.com/ www.digg.com/ www.microsoft.com/";
echo preg_replace("/\b\//","",$urls);