OP_EXACTMB2N1     353 regcomp.c            case 1:  op = OP_EXACTMB2N1; break;
OP_EXACTMB2N1    6159 regcomp.c        { OP_EXACTMB2N1,        "exactmb2-n1",     ARG_SPECIAL },
OP_EXACTMB2N1    6372 regcomp.c          case OP_EXACTMB2N1:
OP_EXACTMB2N1    1876 regexec.c          CASE(OP_EXACTMB2N1)  MOP_IN(OP_EXACTMB2N1);