Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Return the result of comparing to another string.

constexpr int
compare(
    size_type pos1,
    size_type n1,
    char const* s,
    size_type n2) const;

See core::string_view::compare