Pthe literal P (8010 / 1208 / 5016) (case insensitive)
?repeats the group contents below at most once:
OSTthe literal text OST (case insensitive) .?optionally matches any character (except for line terminators)
\s*any whitespace character, repeated any number of times
?repeats the group contents below at most once:
Othe literal O (7910 / 1178 / 4F16) (case insensitive)
?repeats the group contents below at most once:
FFthe literal text FF (case insensitive) ?repeats the group contents below at most once:
ICEthe literal text ICE (case insensitive) .?optionally matches any character (except for line terminators)
\s+any whitespace character, repeated at least once
?repeats the group contents below at most once:
Bthe literal B (6610 / 1028 / 4216) (case insensitive)
INthe literal text IN (case insensitive) OXthe literal text OX (case insensitive)