Boost C++ Libraries 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 ce8b1727c4.

Global blank

boost::xpressive::blank — Matches a blank (horizonal white-space) character.


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

unspecified blank;


The regex traits are used to determine which characters are blank characters. To match any character that is not blank, use ~blank.

[Note] Note

blank is equivalent to /[[:blank:]]/ in perl. ~blank is equivalent to /[[:^blank:]]/ in perl.