SANY REG_ANY, no 0 S ; Match any one character.
CANY REG_ANY, no 0 S ; Match any one byte.
ANYOF ANYOF, sv 0 S ; Match character in (or not in) this class, single char match only
-ANYOFV ANYOF, sv 0 V ; Match character in (or not in) this class, can match-multiple chars
# Order (within each group) of the below is important. See ordering comment
# above. The PLACEHOLDERn ones are wasting a value. Right now, we have plenty