URL Filter
URL Filter
URL filters are expressions with syntax similar to filtering software like ABP/uBO. They are simpler to use than regular expressions and easier to learn.
Supported constructs:
*: Wildcard: Matches any number of characters.|: Left/right anchor: If used at either end of the pattern, specifies the beginning/end of the url respectively.||: Domain name anchor: If used at the beginning of the pattern, specifies the start of a (sub-)domain of the URL.^: Separator character: This matches anything except a letter, a digit, or one of the following: _, -, ., or %. This also match the end of the URL.
Therefore urlFilter is composed of the following parts: (optional Left/Domain name anchor) + pattern + (optional Right anchor).
Note:
- A pattern beginning with
||*is not allowed. Use*instead.- The urlFilter must be composed of only ASCII characters. The host in URL is encoded in the punycode format (in case of internationalized domains) and any other non-ascii characters are url encoded in utf-8.
Demo
| URL Filter | Matches | Does not match |
|---|---|---|
abc |
https://abcd.com https://example.com/abcd |
https://ab.com |
abc*d |
https://abcd.com https://example.com/abcxyzd |
https://abc.com |
||a.example.com |
https://a.example.com/ https://b.a.example.com/xyz https://a.example.company |
https://example.com/ |
|https* |
https://example.com http://example.com/ |
http://https.com |
example*^123| |
https://example.com/123 http://abc.com/example?123 https://example.com/1234 |
https://abc.com/example0123 |
/image/*.gif |
https://example.com/image/banner.gif https://example.com/image/path/to/img.gif |
https://example.com/image/banner.jpg |
Test
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