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
This is an older version of Boost and was released in 2013. The current version is 1.90.0.
Some examples are given in the accompanying test files:
std::find() that works with char[],wchar_t[],char*,wchar_t*.