剥离页面的标记并获取返回的数组或分隔的页码列表

I'm trying to strip the tags of this page down to the point that I can get a list of the page numbers. So I can figure out what the highest page number is for my curl program to continue to crawl the page's. Right now I'm able to strip the tags down to a point where a get a the numbers but I can't figure out how to separate each number so I can see what the highest page number is.I'm trying to strip the tags of this page down