re = /(?:\bIN(?:\s*,)?)?
(?:\bVOL.?(?:U[NM]TARY)?)?(?:\s*,)? \b(?:LIQ'N|LIQ|LQD|LIQD|LIQN|LIQUIDA|LIQUIDATION|REC|RECEIVERSHIP|RECSHIP|WINDING UP)\b/x
str = 'IN VOLUNTARY LIQUIDATION
IN VOL LIQ
IN VOL.LIQ
IN LIQUIDATION
IN LIQ
VOL LIQ
VOL.LIQ
VOL. LIQ
IN LIQ
IN VOL LIQUIDATION
IN LIQUIDATION
IN LIQ
IN, VOL. LIQ
IN VOLUMTARY, LIQN
LIQUIDATION
RECEIVERSHIP'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html