Replace text of element that start with specific text

I have html like bottom code

<table>
    <tr>
        <td>
            {name length='100'}
        </td>
        <td>
            {otherText length='100'}
        </td>
        <td>
            {otherText2 length='100'}
        </td>
    </tr>
</table>

I want to change tds text that start with {name.

How can i do this?