Hi, I want to parse a simple string using boost program options. Let the string to parse look like this The input string looks like this string str="ARG1=hai ARG2=long string with space ARG3=12" This is how the command should be parsed ARG1="hai" ARG2="long string with space" ARG3=12 This is how my program looks like string in="ARG1=hai ARG2=long string with space ARG3=12"; options_description desc("OPT"); desc.add_options() ("CMD",value<string>(),""), ("ARG",value<string>(),""), ("TYPE",value<int>(),"") ; variables_map vm; stringstream ss(in); store(parse_config_file(ss,desc),vm); notify(vm); if(vm.count("ARG1")) { cout<<"ARG1:"<