All filter classes should extend AfBaseFilter. It contains abstract functions that must be implemented by child classes, as well as some helper functions for common filter operations.
This filter acts as a catch-all and matches columns where every word in the expression appears in any order.
|AfExactFilter||This filter handles exact matches.|
|AfRangeFilter||This filter handles numeric ranges.|
|AfRegexFilter||This filter handles regular expression patterns.|
|AfSubstringFilter||This filter handles matches of an exact substring.|