Regex for accepting Aplahanumric and Numeric, but not Alphabates : <p>I want the <code>regular expression</code> in <code>java script</code> which accepts both Alphanumeric and only numeric, space and period is allowed.</p>

<p><strong>Acceptable:</strong></p>

<p>Hello Mr. 3367</p>

<p>6576567 55</p>

<p>3432 abc</p>

<p>3333333</p>

<p>ending in...4454</p>

<p><strong>Not Acceptable</strong> </p>

<p>Hello Mr. Khan</p>

<p>One Two Three</p>

<p>ABCSDS</p>
