#include <iostream>
#include <string>
 
#include <boost/tokenizer.hpp>
 
int main() {
    std::wstring str = L"2	 , 14	33	50	 \"AAA BBB\"";
 
    std::wstring escSep(L"\\");//escape character
    std::wstring delim(L" \t\r\n,");//split on spaces, tabs, new lines, commas
    std::wstring quotes(L"\"");//allow double-quoted values with delimiters within
 
    boost::escaped_list_separator<wchar_t> separator(escSep, delim, quotes);
    boost::tokenizer<boost::escaped_list_separator<wchar_t>, std::wstring::const_iterator, std::wstring> tok(str, separator);
 
    for(auto beg=tok.begin(); beg!=tok.end();++beg)
        std::wcout << *beg << std::endl;
 
    return 0;
}

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