...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::xpressive::repeat — Repeat a sub-expression multiple times.
template<unsigned int Min, unsigned int Max, typename Xpr> unspecified repeat(Xpr const & xpr); template<unsigned int Count, typename Xpr2> unspecified repeat(Xpr2 const & xpr);
There are two forms of the repeat<>() function template. To match a sub-expression N times, use repeat<N>(xpr). To match a sub-expression from M to N times, use repeat<M,N>(xpr).
The repeat<>() function creates a greedy quantifier. To make the quantifier non-greedy, apply the unary minus operator, as in -repeat<M,N>(xpr).
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Copyright © 2003, 2004 Eric Niebler |