const char* buffer = "Today is 11 Feb 2001 ";
const char* pattern = "[0-9]";
regex_t re;
cout << "headline::regcomp()" << endl;
int error = 0;
if(error = regcomp(&re, pattern, REG_EXTENDED|REG_NOSUB) == 0)
{
	cout << "headline::regcomp() - done" << endl;
	int pm_size = 1;
	regmatch_t pm;//[pm_size];
	int error = regexec(&re, &buffer[0], pm_size, &pm, 0);
	while(!error)
	{
		cout << "buffer = " << (int)buffer << endl;
		cout << "pm.rm_so = " << pm.rm_so << endl;
		cout << "pm.rm_eo = " << pm.rm_eo << endl;
		cout << endl;
		//string s(buffer + pm.rm_so,  pm.rm_eo - pm.rm_so);
		buffer += pm.rm_eo;
		error = regexec(&re, buffer, pm_size, &pm, REG_NOTBOL);
	}

}
regfree(&re);
cout << "error = " << error << endl;
if(error)
{
	int size = regerror(error, &re, 0, 0);
	char* ebuf = new char[size +1];
	regerror(error, &re, ebuf, size);
	cout << ebuf << endl;
	delete [] ebuf;
}