EPSILON_BIT       253 lib/regex_internal.h   OP_OPEN_SUBEXP = EPSILON_BIT | 0,
EPSILON_BIT       254 lib/regex_internal.h   OP_CLOSE_SUBEXP = EPSILON_BIT | 1,
EPSILON_BIT       255 lib/regex_internal.h   OP_ALT = EPSILON_BIT | 2,
EPSILON_BIT       256 lib/regex_internal.h   OP_DUP_ASTERISK = EPSILON_BIT | 3,
EPSILON_BIT       257 lib/regex_internal.h   ANCHOR = EPSILON_BIT | 4,
EPSILON_BIT       357 lib/regex_internal.h #define IS_EPSILON_NODE(type) ((type) & EPSILON_BIT)