Boost.StringAlgo
boost::string is a collection of generic string algorithms — case conversion,
Boost.Format
boost::format gives you type-safe, positional string formatting using a printf-inspired
Boost.Tokenizer
boost::tokenizer breaks a string into tokens using pluggable separator functions. It
Boost.Regex
boost::regex is a regular expression engine for C++ that supports Perl and POSIX syntax. It
Boost.Spirit
Boost.Spirit is a parser and generator framework that lets you write grammars directly in C++