How to move all digits in a string to the beginning of the string?

Question

For the following string:

String str="asd14sd67fgh007";

I want output like:

1467007asdsdfgh

I know how to split a string, but I don't know how to get this. For split, I have this code:

public static void main(String[] args) {
    String str="asd14sd67fgh007";
    Pattern pattern = Pattern.compile("\\w+([0-9]+)\\w+([0-9]+)");
    Matcher matcher = pattern.matcher(str);
    for(int i = 0 ; i < matcher.groupCount(); i++) {
        matcher.find();
        System.out.println(matcher.group());
    }
}

Answer 1

2 replaceAll() can do it (If you really want to use regex :P):

public static void main(String[] args) {
        String s= "asd14sd67fgh007";
        String correctedString = s.replaceAll("\\D+", "") + s.replaceAll("\\d+", "");
        System.out.println(correctedString);
}

O/P :

1467007asdsdfgh

Note :

"\\D+" ==> replace all non-numeric characters with "". (will give you all numbers).

"\\d+" ==> replace all digits with "" (will give you all non-numeric characters)