code: public static String after(String text, String after) {
          if (!text.contains(after)) {
              return null;
          }
          return text.substring(text.indexOf(after) + after.length());
      }
docs: Returns the string after the given token
  
  @param text  the text
  @param after the token
  @return the text after the token, or <tt>null</tt> if text does not contain the token