?matches at most one character from the set below:
hthe literal h (10410 / 1508 / 6816) (case sensitive)
tthe literal t (11610 / 1648 / 7416) (case sensitive)
pthe literal p (11210 / 1608 / 7016) (case sensitive)
:the literal : (5810 / 728 / 3A16)
|the literal | (12410 / 1748 / 7C16)
sthe literal s (11510 / 1638 / 7316) (case sensitive)