#include <iostream>
#include <string>

using namespace std;

void ExplodeString(const string& both, string& front, string& back, const char separator = '|')
{
	const string::size_type pos = both.find_first_of(separator);
	if(pos == string::npos)
	{
		front = both;
	}
	else
	{
		front = both.substr(0,pos);
		back = both.substr(pos+1);
	}
}

int main()
{
	const string test("Hallo|Welt!");
	string t1, t2;
	ExplodeString(test, t1, t2);
	std::cout << test << std::endl << t1 << std::endl << t2 << std::endl;
}

mfg.