code: public TextMatchBinding addText(
                      final String text
                      )
      {
          if (text == null  ||  text.length() == 0) {
              throw new IllegalArgumentException( "no pattern specified" );
          }
  
          _text.add( text );
  
          return this;
      }
docs: Appends the specified word/phrase.
  
  @param   text
  the word/phrase to be appended.
  @throws  IllegalArgumentPointerException
  if the specified word/phrase is null or it's length is zero.