RQ_PQ_Q 2195 ext/mbstring/oniguruma/regparse.c {RQ_ASIS, RQ_PQ_Q, RQ_DEL, RQ_AQ, RQ_AQ, RQ_DEL} /* '+?' */ RQ_PQ_Q 2232 ext/mbstring/oniguruma/regparse.c case RQ_PQ_Q: