code: public static String between(String text, String after, String before) {
          text = after(text, after);
          if (text == null) {
              return null;
          }
          return before(text, before);
      }
docs: Returns the string between the given tokens
  
  @param text  the text
  @param after the before token
  @param before the after token
  @return the text between the tokens, or <tt>null</tt> if text does not contain the tokens