PYTHON

from django.urls import re_path

from django.urls import re_path

urlpatterns = [
    re_path(r'^blog/(page-(d+)/)?$', blog_articles),                  # bad
    re_path(r'^comments/(?:page-(?P<page_number>d+)/)?$', comments),  # good
]

from django.urls import path

from django.urls import path

from . import views

urlpatterns = [
    path('articles/2003/', views.special_case_2003),
    path('articles/<int:year>/', views.year_archive),
    path('articles/<int:year>/<int:month>/', views.month_archive),
    path('articles/<int:year>/<int:month>/<slug:slug>/', views.article_detail),
]