events.UrlFilter

Filters URLs for various criteria. If any of the given criteria match, then the whole filter matches.

All criteria are case sensitive.

Type

Values of this type are objects. They contain the following properties:

hostContainsOptional

string. Matches if the hostname of the URL contains the given string.

• To test whether a hostname component starts with "foo", use ".foo". This matches "www.foobar.com" and "foo.com", because an implicit dot is added at the beginning of the hostname.
• To test whether a hostname component ends with "foo", use "foo.".
• To test whether a hostname component exactly matches "foo", use ".foo.".

However, note that these last two patterns will not match the last component of the hostname, because no implicit dot is added at the end of the hostname. So for example, "org." will match "https://borg.com" but not "https://example.org". To match these patterns, use hostSuffix.

hostEqualsOptional

string. Matches if the hostname of the URL is equal to a specified string.

hostPrefixOptional

string. Matches if the hostname of the URL starts with a specified string.

hostSuffixOptional

string. Matches if the hostname of the URL ends with a specified string.

pathContainsOptional

string. Matches if the path segment of the URL contains a specified string.

pathEqualsOptional

string. Matches if the path segment of the URL is equal to a specified string.

pathPrefixOptional

string. Matches if the path segment of the URL starts with a specified string.

pathSuffixOptional

string. Matches if the path segment of the URL ends with a specified string.

queryContainsOptional

string. Matches if the query segment of the URL contains a specified string.

queryEqualsOptional

string. Matches if the query segment of the URL is equal to a specified string.

queryPrefixOptional

string. Matches if the query segment of the URL starts with a specified string.

querySuffixOptional

string. Matches if the query segment of the URL ends with a specified string.

urlContainsOptional

string. Matches if the URL (without fragment identifier) contains a specified string. Port numbers are stripped from the URL if they match the default port number.

urlEqualsOptional

string. Matches if the URL (without fragment identifier) is equal to a specified string. Port numbers are stripped from the URL if they match the default port number.

urlMatchesOptional

string. Matches if the URL (without fragment identifier) matches a specified regular expression. Port numbers are stripped from the URL if they match the default port number.

originAndPathMatchesOptional

string. Matches if the URL without query segment and fragment identifier matches a specified regular expression. Port numbers are stripped from the URL if they match the default port number.

urlPrefixOptional

string. Matches if the URL (without fragment identifier) starts with a specified string. Port numbers are stripped from the URL if they match the default port number.

For example: "https://developer" matches "https://developer.mozilla.org/" and "https://developers.facebook.com/".

urlSuffixOptional

string. Matches if the URL (without fragment identifier) ends with a specified string. Port numbers are stripped from the URL if they match the default port number. Note that an implicit forward slash "/" is added after the host, so "com/" matches "https://example.com", but "com" does not.

schemesOptional

array of string. Matches if the scheme of the URL is equal to any of the schemes specified in the array. Because schemes are always converted to lowercase, this should always be given in lowercase or it will never match.

For example: ["https"] will match only HTTPS URLs.

portsOptional

array of (integer or array of integer). An array which may contain integers and arrays of integers. Integers are interpreted as port numbers, while arrays of integers are interpreted as port ranges. Matches if the port of the URL matches any port numer or is contained in any ranges.

For example: [80, 443, [1000, 1200]] matches all requests on ports 80, 443, and in the range 1000-1200.

Browser compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

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