code: private String value(int to){
          while(to>index && Character.isWhitespace(string.charAt(to-1)))
              --to;
  
          if(string.charAt(index)=='"' && matchingQuote(index)==to-1)
              return quotedString();
          else
              return string.substring(index, to);
      }
docs: /*-------------------------------------------------[ User-Methods ]---------------------------------------------------