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Understanding Rule Operators
When you create a modification rule, you will find the following operators – Equals, Contains, Matches (Regex), Matches (Wildcard). In this documentation, we explain all operators and use cases.
Equals Operator
Equals operator does strict matching of URL intercepted by the browser with the URL given in rule.
Note that when you open
www.example.com in browser, URL intercepted is www.example.com/. Note a trailing ‘/’ slash at the end of URL. A rule with Equals operator and URL as www.example.com does not match www.example.com/. You may consider adding Slash (‘/’) at the end of URL in your rule. You can alternatively create two pairs in the same rule as well.Example
URL given in Rule: http://www.google.com Intercepted URL: http://www.google.com/ Result: Does not match (Observe trailing slash)
Contains Operator
Contains operator does a substring search of string provided in rule inside the URL intercepted by Chrome.
Example 1:
String in Rule: yahoo Intercepted URL: https://www.yahoo.com/ Result: Match
Example 2:
String in Rule: com?a=1 Intercepted URL: https://www.got.com?a=2 Result: Does Not Match
RegEx Match Operator
Regex Match Operator matches a given Regex with the URL intercepted by chrome. You can also use the values of group expressions in your destination URLs.
Example:
URL Matches (Regex): /(.+)\.google/ig Destination: https://$1.google.com
In this case, above regex will be matched with intercepted URL. If regex is matched then $1 will be replaced in the destination URL and redirect happens to destination URL.
Wildcard Match Operator
Wildcard match operator matches expression with the URL intercepted by chrome. We only support asterisk (
*) as wildcard operator. * can match 0 or more characters in intercepted url. Please note that in wildcard match, complete URL is matched with given expression and *’s can be replaced with respective values in destination URL.Example 1:
Expression: *://*.yahoo.com URL: http://cricket.yahoo.com Result: $1 = http, $2 = cricket
Example 2:
Expression: *yahoo URL: http://www.yahoo.com Result: Does not match. Note the trails does not match
Example 3:
Expression: *yahoo* URL: http://www.yahoo.com Result: $1 = http://www. $2=.com
Example 4:
Expression: http://*.yahoo.com URL: http://cricket.yahoo.com/ Result: Does not match (Observe the trailing slash in URL)
Last modified 1yr ago