#11 Regexp search/filter criteria

[Simon Hay]

It would be excellent to be able to use regular
expressions in search/filter criteria - perhaps an
extension to the standard specifications would be
needed in order to state which part of the message to
search - i.e. 'where subject like but sender not' etc.
Also, a search bar along the top of the folder list
that allowed you to enter a query in this format would
be useful.