    RE_CHAR_CLASSES  2257 libglibc/regex.c                 else if (syntax & RE_CHAR_CLASSES && c == '[' && *p == ':')
    RE_CHAR_CLASSES    81 libglibc/regex.h #define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
    RE_CHAR_CLASSES   191 libglibc/regex.h   (RE_BK_PLUS_QM              | RE_CHAR_CLASSES				\
    RE_CHAR_CLASSES   196 libglibc/regex.h   (RE_CHAR_CLASSES        | RE_CONTEXT_INDEP_ANCHORS			\
    RE_CHAR_CLASSES   211 libglibc/regex.h   (RE_CHAR_CLASSES | RE_DOT_NEWLINE      | RE_DOT_NOT_NULL		\