I've been using the purge utility ie.
squidclient -m PURGE http://www.example.com/
The above command will purge that exact link but it leaves everything else under it in the cache. (eghttp://www.example.com/page1)
I was wondering is there a way to purge every document under that url?
First of all thank you KimVais for advising me to ask in serverfault, I have found a solution there.
as answered in serverfault:
The 3rd-party purge utility will do exactly what you seek:
The purge tool is a kind of magnifying glass into your squid-2 cache. You can use purge to have a look at what URLs are stored in which file within your cache. The purge tool can also be used to release objects which URLs match user specified regular expressions. A more troublesome feature is the ability to remove files squid does not seem to know about any longer.
For our accelerating (reverse) proxy, I use a config like this:
purge -c /etc/squid/squid.conf -p localhost:80 -P0 -se 'http://www.mysite.com/' -P0 will show the list of URLs but not remove them; change it to -P1 to send PURGE to the cache, as you do in your example.