Tokenizing strings

Is there a class or function in c++ that is similar to the StringTokenizer class or the split() method?

How about:

Code:

---

std::vector< std::string > Split( const std::string &string, const std::string &delim = " " )
{
        std::vector< std::string > result;
        std::string substr;
        for( unsigned int n = 0; n < string.size(); ++n )
        {
                if( delim.find_first_of( string[ n ] ) == std::string::npos )
                        substr.push_back( string[ n ] );
                else if( substr.size() > 0 )
                {
                        result.push_back( substr );
                        substr.clear();
                }
        }
        if( substr.size() > 0 )
                result.push_back( substr );
        return result;
}

---

Where can I find functions like this? I normally look at Strings library - C++ Reference but more often than not a function I need isn't listed and I have to ask on a forum. Also, are there wrapper classes like in Java? Something I could use to say like

bool Character.isUpperCase(char ch)
bool Character.isDigit(char ch)
int Integer.parseInt(String s)

Btw, I look at the whole reference. I just had the string library brought up atm.

string is a wrapper ;)

Code:

---


bool isUpperCase(char ch)
{
  return ch >= 'A' &&  ch <= 'Z';
}

bool isDigit(char ch)
{
  return ch >= '0' && ch <= '9';
}

int Integer.parseInt(String s) // you can use _atoi for this

---

See isupper, isdigit and boost::lexical_cast. For the latter you can also use stringstream and things like sscanf if you choose to go a more C way.

this is the code that I use for tokenizing strings:

Code:

---

void TokenizeString(const std::string& str, char delim, std::vector<std::string>& v_string)
{
  std::stringstream ss(str);
  std::string token;
  v_string.clear();
  while (std::getline(ss, token, delim)
  {
    v_string.push_back(token);
  }
}

---

but it assumes only 1 delimiter, and as such, may not suit your needs.