splitWithoutBoost.cpp

#include <regex>
#include <sstream>

std::vector<std::string> StringUtils::split(
  const std::string & str,
  const std::vector<std::string> & delimiters) {

  std::regex rgx(join(escapeStrings(delimiters), "|"));

  std::sregex_token_iterator
    first{begin(str), end(str), rgx, -1},
    last;

  return{first, last};
}

std::vector<std::string> StringUtils::split(const std::string & str,
  const std::string & delimiter) {
  std::vector<std::string> delimiters = {delimiter};
  return split(str, delimiters);
}

std::string StringUtils::join(
  const std::vector<std::string> & tokens,
  const std::string & delimiter) {
    
  std::stringstream stream;
  
  stream << tokens.front();
  
  std::for_each(
    begin(tokens) + 1,
    end(tokens),
    [&](const std::string &elem) {
      stream << delimiter << elem;}
  );
  
  return stream.str();
}