hello world
stdio version hello world

Yes, it contains a match for \(wow\|yey\|lo\)[^a-z]
match was 'lo '
 word was 'lo'

processing 'http://www.cstr.ed.ac.uk/speech_tools'
   gives 'protocol=http host=www.cstr.ed.ac.uk path=/speech_tools dummy=\6'

start with "what if I don't like 'hello world'?"
    quoted "'what if I don''t like ''hello world''?'"
   unquoted "what if I don't like 'hello world'?"