exm_reach        4466 ext/mbstring/oniguruma/regcomp.c   int exb_reach, exm_reach;
exm_reach        4484 ext/mbstring/oniguruma/regcomp.c   exm_reach = to->exm.reach_end;
exm_reach        4494 ext/mbstring/oniguruma/regcomp.c     else if (exm_reach) {