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Global _w

boost::xpressive::_w — Matches a word character.

Synopsis

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

unspecified _w;

Description

'_w' matches a single word character. The regex traits are used to determine which characters are word characters. Use ~_w to match a character that is not a word character.

[Note] Note

_w is like \w in perl. ~_w is like \W in perl.


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