row">Description</th>
                    <td><div class="overflowFixDiv">This is a regular expression I used to validate negative and positive WHOLE numbers, including 0.</div></td>
                </tr>
                <tr class="matches">
                    <th scope="row">Matches</th>
                    <td><div class="overflowFixDiv">0 <span class='separator'>|</span> 123 <span class='separator'>|</span> -123</div></td>
                </tr>
                <tr class="nonmatches">
                   