URLPattern

Baseline 2025

Newly available

Since ⁨September 2025⁩, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

Note: This feature is available in Web Workers.

The URLPattern interface of the URL Pattern API matches URLs or parts of URLs against a pattern. The pattern can contain capturing groups that extract parts of the matched URL.

More information about the syntax of patterns can be found on the API overview page: URL Pattern API.

Constructor

URLPattern(): Returns a new URLPattern object based on the given pattern and base URL.

Instance properties

hash Read only: A string containing a pattern to match the hash part of a URL.
hasRegExpGroups Read only: A boolean indicating whether or not any of the URLPattern components contain regular expression capturing groups.
hostname Read only: A string containing a pattern to match the hostname part of a URL.
password Read only: A string containing a pattern to match the password part of a URL.
pathname Read only: A string containing a pattern to match the pathname part of a URL.
port Read only: A string containing a pattern to match the port part of a URL.
protocol Read only: A string containing a pattern to match the protocol part of a URL.
search Read only: A string containing a pattern to match the search part of a URL.
username Read only: A string containing a pattern to match the username part of a URL.

Instance methods

exec(): Returns an object with the matched parts of the URL or null if the URL does not match.
test(): Returns true if the URL matches the given pattern, false otherwise.