How does Django use regular expressions for URL routing?

How does Django use regular expressions for URL routing?

Django uses regular expressions in its URL dispatcher to match incoming requests to the appropriate view. This allows for dynamic URL patterns.

Can you give me an example of a URL pattern using regular expressions?

Sure! A common pattern might look like this: path('articles/<int:year>/', views.year_archive), where <int:year> captures an integer from the URL.

What happens if the URL doesn't match any pattern?

If the URL doesn't match any defined pattern, Django will return a 404 Not Found error, indicating that the requested page doesn't exist.

Are there any best practices for defining URL patterns?

Yes, it's best to keep URL patterns simple, use descriptive names, and avoid overly complex regular expressions to enhance readability.