claws-mail-perl-filter 3.14.0-1ubuntu1 (amd64 binary) in ubuntu yakkety

 This plugin enables filtering of Claws Mail messages using perl
 regular expressions and, in fact, giving all the perl features and
 power to the filtering engine.
 .
 A tool for converting the current filter set of the user into a
 equivalent perl script suitable for the plugin is also provided.