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 the documentation for a snapshot of the develop branch, built from commit 21ebcdd10d.

Global s2

boost::xpressive::s2

// In header: <boost/xpressive/regex_primitives.hpp>

mark_tag const s2;