String s = Pattern.compile("^", Pattern.MULTILINE).matcher(input).replaceAll("* ");
// remove trailing spaces
s = Pattern.compile("\\s+$", Pattern.MULTILINE).matcher(s).replaceAll("");
String s = Pattern.compile("^", Pattern.MULTILINE).matcher(input).replaceAll("* ");
// remove trailing spaces
s = Pattern.compile("\\s+$", Pattern.MULTILINE).matcher(s).replaceAll("");