lst-0912-godb.cpp
//#(compile) c++; compiler:g132; options:-O3 -std=c++23; libs:-
// https://godbolt.org/z/TK6n4dG37
const string scoreKeyword = R"(^score\s+)";
const string numberOfPoints = R"((\d+))";
const string forKeyword = R"(\s+for\s+)";
const string numberOfNights = R"((\d+))";
const string nightsAtKeyword = R"(\s+nights?\s+at\s+)";
const string hotelName = R"((.*))";
const regex muster{ scoreKeyword + numberOfPoints +
forKeyword + numberOfNights + nightsAtKeyword + hotelName };
}