      <td><div class="expressionDiv">^[-+]?[1-9]\d*\.?[0]*$</div></td>
                </tr>
                <tr class="description">
                    <th scope="row">Description</th>
                    <td><div class="overflowFixDiv">This will check if a number is an integer.  Positive integers are all the whole numbers greater than zero: 1, 2, 3, 4, 5, ... . Negative integers are all the opposites of whole numbers: -1, -2, -3,-4, -5, ... .  Zero is not a whole number with either a positive or negative