Django 中的正则表达式技巧。这个列表有很多常用的模式。需要时可以查看。

Primary Key AutoField

Regex	(?P<pk>\d+)
Example	url(r'^questions/(?P<pk>\d+)/$', views.question, name='question')
Valid URL	/questions/934/
Captures	{'pk': '934'}

Slug Field

Regex	(?P<slug>[-\w]+)
Example	url(r'^posts/(?P<slug>[-\w]+)/$', views.post, name='post')
Valid URL	/posts/hello-world/
Captures	{'slug': 'hello-world'}

Slug Field with Primary Key

Regex	(?P<slug>[-\w]+)-(?P<pk>\d+)
Example	url(r'^blog/(?P<slug>[-\w]+)-(?P<pk>\d+)/$', views.blog_post, name='blog_post')
Valid URL	/blog/hello-world-159/
Captures	{'slug': 'hello-world', 'pk': '159'}

Django User Username

Regex	(?P<username>[\w.@+-]+)
Example	url(r'^profile/(?P<username>[\w.@+-]+)/$', views.user_profile, name='user_profile')
Valid URL	/profile/vitorfs/
Captures	{'username': 'vitorfs'}

Year

nRegex	(?P<year>[0-9]{4})
Example	url(r'^articles/(?P<year>[0-9]{4})/$', views.year_archive, name='year')
Valid URL	/articles/2016/
Captures	{'year': '2016'}

Year / Month

Regex	(?P<year>[0-9]{4})/(?P<month>[0-9]{2})
Example	url(r'^articles/(?P<year>[0-9]{4})/(?P<month>[0-9]{2})/$', views.month_archive, name='month')
Valid URL	/articles/2016/01/
Captures	{'year': '2016', 'month': '01'}