[traderdoc]

double irgendwas[4];
string wert[4];
int cnt = 0;
string str;
wert[0] = "";
string variable = 111+","+222+","+333+","+444+","+555;
for (int i = 0; i < StringLen(variable); i++) {
   str = StringSubstr(variable, i, 1);
   if (str == ",") {
      cnt++;
      wert[cnt] = "";
      continue;
   }
   wert[cnt] = wert[cnt] + str;
   irgendwas[cnt] = StrToDouble(wert[cnt]);
}