OP_EXACT2         330 ext/mbstring/oniguruma/regcomp.c       case 2:  op = OP_EXACT2; break;
OP_EXACT2        5678 ext/mbstring/oniguruma/regcomp.c   { OP_EXACT2,            "exact2",          ARG_SPECIAL },
OP_EXACT2        5871 ext/mbstring/oniguruma/regcomp.c     case OP_EXACT2:
OP_EXACT2        1461 ext/mbstring/oniguruma/regexec.c     case OP_EXACT2:  MOP_IN(OP_EXACT2);