parse a string and truncate it
<p>I want to break the following string at the word To and then truncate the email address that follows at 15 characters using JavaScript. This is the sentence:</p>

<pre><code>Please email this card to email@emailaddress.com
</code></pre>

<p>It should like like this:</p>

<pre><code>Please email this card 
to email@emailadd...
</code></pre>
