A format string to put % after a number
<p>Trying to figure out how to append a % to a number.  The number length varies so that's what I'm not sure about..how to create a regex that takes whatever the digit is and appends % to it.</p>

<p>I was thinking this but how would you handle the unexpected length?</p>

<pre><code>"\\%d{DigitlegnthVariesHere}"
</code></pre>

<p>or is it something as simple as <code>"\\%d"</code></p>
