Java | insert space every 2 characters code example

Example 1: how to add spaces before string in java

String s = "%s Hellow World!";
    StringBuilder builder = new StringBuilder();
    for(int i=0;i<10;i++){
        builder.append(" ");
    }

    System.out.println(s.format(s,builder.toString()));

Example 2: java split string on two or more spaces except for words in quotes

String str = "Location \"Welcome  to india\" Bangalore " +
             "Channai \"IT city\"  Mysore";

List<String> list = new ArrayList<String>();
Matcher m = Pattern.compile("([^\"]\\S*|\".+?\")\\s*").matcher(str);
while (m.find())
    list.add(m.group(1)); // Add .replace("\"", "") to remove surrounding quotes.


System.out.println(list);