OP_BEGIN_LINE    1412 ext/mbstring/oniguruma/regcomp.c   case ANCHOR_BEGIN_LINE:     r = add_opcode(reg, OP_BEGIN_LINE);     break;
OP_BEGIN_LINE    5712 ext/mbstring/oniguruma/regcomp.c   { OP_BEGIN_LINE,          "begin-line",      ARG_NON },
OP_BEGIN_LINE    1997 ext/mbstring/oniguruma/regexec.c     case OP_BEGIN_LINE:  MOP_IN(OP_BEGIN_LINE);