stringutils.h

#pragma once
#include <vector>
#include <string>

template <typename T, typename U>
T &replace (
          T &str,
    const U &from,
    const U &to)
{
    size_t pos;
    size_t offset = 0;
    const size_t increment = to.size();

    while ((pos = str.find(from, offset)) != T::npos)
    {
        str.replace(pos, from.size(), to);
        offset = pos + increment;
    }

    return str;
}

// trim from start (in place)
void ltrim(std::string &s);

// trim from end (in place)
void rtrim(std::string &s);

// trim from both ends (in place)
void trim(std::string &s);

// trim from start (copying)
std::string ltrim_copy(std::string s);

// trim from end (copying)
std::string rtrim_copy(std::string s);

// trim from both ends (copying)
std::string trim_copy(std::string s);

std::vector<std::string> explode( const std::string &delimiter, const std::string &str);

std::string join(const std::vector<std::string>& v, const std::string& delim);