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copied!<p>You get a lot of the things that are coming in C++0x. But aside from that generality, some of the better specifics are a simple <a href="https://stackoverflow.com/questions/130186/ie-textrange-select-method-not-working-properly">regex library</a>, a casting library for <a href="http://www.boost.org/doc/libs/1_36_0/libs/conversion/lexical_cast.htm" rel="nofollow noreferrer">casting from strings to ints</a> (Lexical cast):</p> <pre><code>int iResult = 0; try { iResult = lexical_cast<int>("4"); } catch(bad_lexical_cast &) { cout << "Unable to cast string to int"; } </code></pre> <p>A <a href="http://www.boost.org/doc/libs/1_36_0/doc/html/date_time.html" rel="nofollow noreferrer">date/time library</a>, among others...</p> <pre><code>using namespace boost::gregorian; date weekstart(2002,Feb,1); date thursday_next = next_weekday(weekstart, Thursday); // following Thursday </code></pre> <p>There's also a <a href="http://www.boost.org/doc/libs/1_36_0/libs/python/doc/index.html" rel="nofollow noreferrer">Python interface</a> (Boost Python), a <a href="http://spirit.sourceforge.net/" rel="nofollow noreferrer">lexer/parser DSL</a> (Boost Spirit):</p> <pre><code>// A grammar in C++ for equations group = '(' >> expression >> ')'; factor = integer | group; term = factor >> *(('*' >> factor) | ('/' >> factor)); expression = term >> *(('+' >> term) | ('-' >> term)); </code></pre> <p>and that's just scratching the surface...</p>

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