What are some examples of using regex in Django?

What are some examples of using regex in Django?

In Django, regex can be used in URL patterns to match specific URL structures. For example, you can use re_path to define a URL that captures an integer ID.

Can you show me a specific code example?

Sure! Here's a simple example:

from django.urls import re_path

urlpatterns = [
    re_path(r'^article/(?P<id>[0-9]+)/$', views.article_detail),
]

This captures an article ID from the URL.

What if I want to match a slug instead of an ID?

You can modify the regex pattern like this:

re_path(r'^article/(?P<slug>[-\w]+)/$', views.article_detail),

This will match slugs that consist of letters, numbers, underscores, and hyphens.

Are there any built-in validators for regex in Django?

Yes, Django provides a RegexValidator that you can use in your models to validate fields against a regex pattern.