Question

I have this String: "player.login name=username;x=52;y=406" how would I be able to split it so I easily could do Player pl = new Player(name, x, y) ?

I tried with a regex that looks like this: "([a-zA-Z_]+)[=]{1}([a-zA-Z0-9_]+)[;]{1}" but I’m not very good at regexs so it didn’t work.

EDIT: Someone came up with a good solution so no need to comment. 🙂

What I used:

public static void main(String args[]) {
    String login = "player.login name=username;x=52;y=406";
    String str = login.substring("player.login".length() + 1);
    String[] sp = str.split(";");
    Player player = new Player("", 0, 0);
    for (String s : sp) {
        String[] a = s.split("=");
        if (a[0].equals("name")) player.username = a[1];
        else if (a[0].equals("x")) player.x = toInt(a[1]);
        else if (a[0].equals("y")) player.y = toInt(a[1]);
    }
    System.out.println("Player: " + player.username + " @ " + player.x + ", " + player.y);
}

public static int toInt(String s) {
    return Integer.parseInt(s);
}

Answer 1

This should work (you should add bound checks before calling exp.split("=")[1]):

public static void main(String[] args) {
    String s = "player.login name=username;x=52;y=406";
    String[] expressions = s.split(";");
    for (String exp : expressions) {
        System.out.println(exp.split("=")[1]);
    }
}