I am looking to decode this python regular expression. Is there a way to check what the below regex means:
@plugin.route(r"^/sub-category/([^&].+)\?page=[0-9]+$")
@plugin.route(r"^/genre/([^&].+)\?page=[0-9]+$")
@plugin.route(r'^/popular.html\?page=[0-9]+$')