Split a string, at every nth position

Question

I use this regex to split a string at every say 3rd position:

String []thisCombo2 = thisCombo.split(\"(?<=\\\\G...)\");

where the 3 dots

Answer 1

private String[] StringSpliter(String OriginalString) {
    String newString = "";
    for (String s: OriginalString.split("(?<=\\G.{"nth position"})")) { 
        if(s.length()<3)
            newString += s +"/";
        else
            newString += StringSpliter(s) ;
    }
    return newString.split("/");
}