public static String escapeCharacters(String s){
  if (s == null) {
    throw new NullPointerException();
  }
  s=s.replace(".","{SEP}");
  s=s.replace("/","{FSEP}");
  s=s.replace("$","{DSEP}");
  return s;
}

public static String escapeCharacters ( String s ) { if ( s == null ) { throw new NullPointerException ( ) ; } s = s . replace ( "." , "{SEP}" ) ; s = s . replace ( "/" , "{FSEP}" ) ; s = s . replace ( "$" , "{DSEP}" ) ; return s ; }
escapes special characters used within luckperms , so the string can be saved without issues
