REG_ANY REG_ANY, no 0 S ; Match any one character (except newline).
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.
+ANYOF ANYOF, sv 0 S ; Match character in (or not in) this class, folding is native charset for non-utf8.
ALNUM ALNUM, no 0 S ; Match any alphanumeric character
ALNUML ALNUM, no 0 S ; Match any alphanumeric char in locale
NALNUM NALNUM, no 0 S ; Match any non-alphanumeric character
#define REG_ANY 14 /* 0x0e Match any one character (except newline). */
#define SANY 15 /* 0x0f Match any one character. */
#define CANY 16 /* 0x10 Match any one byte. */
-#define ANYOF 17 /* 0x11 Match character in (or not in) this class. */
+#define ANYOF 17 /* 0x11 Match character in (or not in) this class, folding is native charset for non-utf8. */
#define ALNUM 18 /* 0x12 Match any alphanumeric character */
#define ALNUML 19 /* 0x13 Match any alphanumeric char in locale */
#define NALNUM 20 /* 0x14 Match any non-alphanumeric character */