PREV_NOTWORD_CONSTRAINT  206 compat/regex/regex_internal.h   WORD_FIRST = PREV_NOTWORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
PREV_NOTWORD_CONSTRAINT  208 compat/regex/regex_internal.h   INSIDE_NOTWORD = PREV_NOTWORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
PREV_NOTWORD_CONSTRAINT  523 compat/regex/regex_internal.h   || ((constraint & PREV_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \