boost::date_time::parse_date — Generic function to parse a delimited date (eg: 2002-02-10)
// In header: <boost/date_time/date_parsing.hpp> template<typename date_type> (const s, int order_spec = );
Accepted formats are: "2003-02-10" or " 2003-Feb-10" or "2003-Feburary-10" The order in which the Month, Day, & Year appear in the argument string can be accomodated by passing in the appropriate ymd_order_spec