PREV_WORD_CONSTRAINT  205 compat/regex/regex_internal.h   INSIDE_WORD = PREV_WORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
PREV_WORD_CONSTRAINT  207 compat/regex/regex_internal.h   WORD_LAST = PREV_WORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
PREV_WORD_CONSTRAINT  522 compat/regex/regex_internal.h  ((((constraint) & PREV_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \