Boost C++ Libraries

Contains the syntax elements for writing static regular expressions.

namespace boost {
  namespace xpressive {
    struct mark_tag;

    unsigned int const inf;    // For infinite repetition of a sub-expression. 
    unspecified nil;    // Successfully matches nothing. 
    unspecified alnum;    // Matches an alpha-numeric character. 
    unspecified alpha;    // Matches an alphabetic character. 
    unspecified blank;    // Matches a blank (horizonal white-space) character. 
    unspecified cntrl;    // Matches a control character. 
    unspecified digit;    // Matches a digit character. 
    unspecified graph;    // Matches a graph character. 
    unspecified lower;    // Matches a lower-case character. 
    unspecified print;    // Matches a printable character. 
    unspecified punct;    // Matches a punctuation character. 
    unspecified space;    // Matches a space character. 
    unspecified upper;    // Matches an upper-case character. 
    unspecified xdigit;    // Matches a hexadecimal digit character. 
    unspecified bos;    // Beginning of sequence assertion. 
    unspecified eos;    // End of sequence assertion. 
    unspecified bol;    // Beginning of line assertion. 
    unspecified eol;    // End of line assertion. 
    unspecified bow;    // Beginning of word assertion. 
    unspecified eow;    // End of word assertion. 
    unspecified _b;    // Word boundary assertion. 
    unspecified _w;    // Matches a word character. 
    unspecified _d;    // Matches a digit character. 
    unspecified _s;    // Matches a space character. 
    proto::terminal< char >::type const _n;    // Matches a literal newline character, '\n'. 
    unspecified _ln;    // Matches a logical newline sequence. 
    unspecified _;    // Matches any one character. 
    unspecified self;    // Reference to the current regex object. 
    unspecified set;    // Used to create character sets. 
    mark_tag const s0;    // Sub-match placeholder, like $& in Perl. 
    mark_tag const s1;    // Sub-match placeholder, like $1 in perl. 
    mark_tag const s2;
    mark_tag const s3;
    mark_tag const s4;
    mark_tag const s5;
    mark_tag const s6;
    mark_tag const s7;
    mark_tag const s8;
    mark_tag const s9;
    unspecified a1;
    unspecified a2;
    unspecified a3;
    unspecified a4;
    unspecified a5;
    unspecified a6;
    unspecified a7;
    unspecified a8;
    unspecified a9;
    template<typename Expr> unspecified icase(Expr const &);
    template<typename Literal> unspecified as_xpr(Literal const &);
    template<typename BidiIter> 
      proto::terminal< reference_wrapper< basic_regex< BidiIter > const  > >::type const 
      by_ref(basic_regex< BidiIter > const &);
    template<typename Char> unspecified range(Char, Char);
    template<typename Expr> 
      proto::result_of::make_expr< proto::tag::logical_not, proto::default_domain, Expr const & >::type const 
      optional(Expr const &);
    template<unsigned int Min, unsigned int Max, typename Expr> 
      unspecified repeat(Expr const &);

    // This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. 
    template<unsigned int Count, typename Expr2> 
      unspecified repeat(Expr2 const & expr2);
    template<typename Expr> unspecified keep(Expr const &);
    template<typename Expr> unspecified before(Expr const &);
    template<typename Expr> unspecified after(Expr const &);
    template<typename Locale> unspecified imbue(Locale const &);
    template<typename Skip> unspecified skip(Skip const &);
  }
}