i haven’t tried this but i suspect you can put a single quote in by doubling it.
e.g. data_matches ‘[abc’’]def’ which should match any of adef bdef cdef ‘def one of the many wonderful things about plan9 is its uniform escaping and regex rules -Steve ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T3cd2a871851787df-M16811a55716fe27dc3fe7c4a Delivery options: https://9fans.topicbox.com/groups/9fans/subscription