/
(?x)
^\s*(\d+)\s+ # coupon number
([OX]) # stopover flag
(\w{3})\s+ # depapt
(\w{2})\s* # cr
(\d{1,4}) # flnr
([A-Z0-9]{2}|\s+)\s+ # operating carrier
([A-Z])\s+ # booking class
(\d{2}\w{3}\d{4})\s+ # dep datetime
(\w{2})\s+ # status
([\w\d\/]+)\s+ # farebase
(\w)\s+ # coupon