Remove short words and characters from a string in PHP
<p>I have a string which could be like this:</p>

<pre><code>$searchterm = "The quick brown fox, jumps over the lazy dog! 48372. John's?"
</code></pre>

<p>Is there a way to remove all words that are 3 characters and under as well as characters that aren't alphanumeric (except for apostrophes)?</p>

<p>I want my result to be:</p>

<pre><code>quick brown jumps over lazy 48372 John's 
</code></pre>
