This section explains how to create a filter with some preliminary testing, so you don’t flood the edit filter history page. You must strictly adhere to the following: * Read the documentation at mw:Extension:AbuseFilter/RulesFormat * Test some expressions at debugging tools: * for example, evaluate 'some string' rlike 'myregexp' to test your regexp; * true expression evaluates to 1, false shows nothing * Manually test your code at batch testing page: * find someone who recently made an edit of the type that you’re trying to target, * put that username in “Changes by user” field and click “test” button; * if you don’t see positive triggers: * check “show changes that do not match the filter” and click “test” again * find the edit that you targeted an