RE_CHAR_CLASSES    81 _regex.h       #define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
RE_CHAR_CLASSES   191 _regex.h         (RE_BK_PLUS_QM              | RE_CHAR_CLASSES				\
RE_CHAR_CLASSES   196 _regex.h         (RE_CHAR_CLASSES        | RE_CONTEXT_INDEP_ANCHORS			\
RE_CHAR_CLASSES   211 _regex.h         (RE_CHAR_CLASSES | RE_DOT_NEWLINE      | RE_DOT_NOT_NULL		\
RE_CHAR_CLASSES  2185 regex.cpp                      else if (syntax & RE_CHAR_CLASSES && c == '[' && *p == ':')