exb_reach        4466 ext/mbstring/oniguruma/regcomp.c   int exb_reach, exm_reach;
exb_reach        4483 ext/mbstring/oniguruma/regcomp.c   exb_reach = to->exb.reach_end;
exb_reach        4490 ext/mbstring/oniguruma/regcomp.c     if (exb_reach) {