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Global self

boost::xpressive::self — Reference to the current regex object.

Synopsis

unspecified self;

Description

Useful when constructing recursive regular expression objects. The 'self' identifier is a short-hand for the current regex object. For instance, sregex rx = '(' >> (self | nil) >> ')'; will create a regex object that matches balanced parens such as "((()))".

Copyright 2003, 2004 Eric Niebler

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