CanBeEmptyString 32 third_party/re2/re2/mimics_pcre.cc static bool CanBeEmptyString(Regexp *re); CanBeEmptyString 66 third_party/re2/re2/mimics_pcre.cc if (CanBeEmptyString(re->sub()[0])) CanBeEmptyString 70 third_party/re2/re2/mimics_pcre.cc if (re->max() == -1 && CanBeEmptyString(re->sub()[0]))