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## Global _

boost::xpressive::_ — Matches any one character.

## Synopsis

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

    unspecified _;

## Description

Match any character, similar to '.' in perl syntax with the /s modifier. '_' matches any one character, including the newline.

| Important
To match any character except the newline, use ~_n