GPOS GPOS, no Matches where last m//g left off.
# [Special] alternatives
-ANY ANY, no Match any one character (except newline).
-ANYUTF8 ANY, no Match any one Unicode character (except newline).
-SANY ANY, no Match any one character.
-SANYUTF8 ANY, no Match any one Unicode character.
+REG_ANY REG_ANY, no Match any one character (except newline).
+ANYUTF8 REG_ANY, no Match any one Unicode character (except newline).
+SANY REG_ANY, no Match any one character.
+SANYUTF8 REG_ANY, no Match any one Unicode character.
ANYOF ANYOF, sv Match character in (or not in) this class.
ANYOFUTF8 ANYOF, sv 1 Match character in (or not in) this class.
ALNUM ALNUM, no Match any alphanumeric character