OP_BEGIN_POSITION 1415 ext/mbstring/oniguruma/regcomp.c case ANCHOR_BEGIN_POSITION: r = add_opcode(reg, OP_BEGIN_POSITION); break; OP_BEGIN_POSITION 5714 ext/mbstring/oniguruma/regcomp.c { OP_BEGIN_POSITION, "begin-position", ARG_NON }, OP_BEGIN_POSITION 2065 ext/mbstring/oniguruma/regexec.c case OP_BEGIN_POSITION: MOP_IN(OP_BEGIN_POSITION);