AlternateNoFactor  866 third_party/re2/re2/parse.cc       x[1] = AlternateNoFactor(sub + start, nn, altflags);
AlternateNoFactor  917 third_party/re2/re2/parse.cc       x[1] = AlternateNoFactor(sub + start, nn, altflags);
AlternateNoFactor  399 third_party/re2/re2/regexp.h   static Regexp* AlternateNoFactor(Regexp** subs, int nsubs, ParseFlags flags);