I looked though the guide and googled but couldn't find anything like
a RegexQueryBuilder. Is there any such thing in ElasticSearch?
I'd be using it in conjunction with a number of term queries that
would cut down the number of possible matching documents to a handful,
and for those I'd like to use a regex instead of the less powerful
span near queries etc., to select those documents that contain dates
(any date, not a specific one) etc.
Is there a way to do this?