mongodb/mongo-ruby-driver — pull request #333 by estolfo (2013-12-11 23:10:52+00:00)
Title: Only test regexes with aggregation if version > 2.3.2. SERVER-6470

There was a bug in the server that returned regexes from an aggregation as strings. Skip testing regexes with aggregation if version is not >= 2.3.2.