Grouping in Django URL's
I wanted to include a regular expression in my Django URL's, but I didn't want to that be passed as an argument to the view. The answer is in the Python regular expression documentation:
(?:...) A non-grouping version of regular parentheses
So in my case a URL like:
r'^(?:site/[0-9]+/)view/(?P<id>.*)/$
Would match the URL:
/site/1/view/2/
But by using (?: only the id is passed to the view.