# A selection of fine vacuous patterns (patterns that match the empty string).
# Only true FIREHOSE patterns need the /V flag.

22000:/.*/V
22001:/.?/V
22002:/.{0,16}/V
22003:/.*/sV
22004:/.?/sV
22005:/.{0,16}/sV
22006:/(foo|)/V
22007:/(foo|.?)/sV
22008:/(foo|.*)/sV
22009:/(foo|.{0,16})/sV
22010:/^.*/
22011:/^.?/
22012:/^.{0,16}/
22013:/^.*/s
22014:/^.?/s
22015:/^.{0,16}/s
22016:/^(foo|)/
22017:/^(foo|.?)/s
22018:/^(foo|.*)/s
22019:/^(foo|.{0,16})/s

22020:/^$/
22021:/^\z/

22022:/(foo|$)/
22023:/(foo|\z)/
22024:/(.?|$)/sV
22025:/(.?|\z)/sV
22026:/(^|\z)/

# Tricky mix of vacuous and multiline
22027:/^a?/m
22028:/^$/m

# We handle /./s as a firehose with a min start offset of zero, now.
22029:/./s

# For completeness, some other cases (especially multiline)
22030:/^/m
22031:/$/m
22032:/\z/m
22033:/\Z/m
22034:/^\z/m
22035:/^./sm
22036:/^.?/sm
22037:/(foo|$)/m

# Messy cases
22038:/((?:d|C|B|D|B*|.)){1,4}/VP