Moodle Plugins directory: Pattern match: Stats | Moodle.org
Pattern match
Question types ::: qtype_pmatch
Maintained by 
Tim Hunt, 
Phil Butcher, 
Anupama Sarjoshi
Part of set Open University.
Allows a short response of one or a few sentences that is graded by comparing against various model answers, which are described using the OU's pattern match syntax.