+matches at least one character outside the set below:
&the literal & (3810 / 468 / 2616)
#the literal # (3510 / 438 / 2316)
xthe literal x (12010 / 1708 / 7816) (case sensitive)
Athe literal A (6510 / 1018 / 4116) (case sensitive)
;the literal ; (5910 / 738 / 3B16)
\na line-feed (newline) character (ASCII 10)