Warmup tables exceptions

Hi,

Thanks for a great plugin which is making a massive difference to my site. I am having a slight issue with the warmup table however. I have paginated URL’s like –

http://www.mysite.com/coffee-article/
http://www.mysite.com/coffee-article/2/
http://www.mysite.com/coffee-article/3/

Some can go up to 20 pages of the same URL
I am currently attempting to use regex in the following ways but the pages still get cached.

/coffee-article/#[1-9]#
#/1/(.*)/#
#/2/(.*)/#

Any suggestions to only cache the first page of a URL? The warmup table size will start to get too large otherwise.
Thanks!