[dokuwiki] Is there a plugin to search metadata (or similar) and produce a summary with links?

I'm sure there must be a plugin for doing something like this but I just
can't find it at the moment.

I want to produce a list of pages which match specific criteria and
present it as a list of links to the pages with either a summary of the
page contents (i.e. the first line or similar) or an abstract extracted
from meta data.

I need it to work down a hierarchy of namespaces, so the syntax to
produce the list would be something like:-

    {{findpages>namespace?^regularexpression&other_options}}

Which would produce a list of links to pages which match the regular
expression (could be in the body of the message, or in metadata) with
some sort of summary of page contents after the link:-

    page_one - This is the first line of page_one
    page_six - This is the first line of page_six
    page_ten - This is the first line of page_ten
    ...
    ...

So, is there anything like this out there?

-- 
Chris Green
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