regex extract numbers only from string : <p>We got following strings, how can we just extract numbers only from this pls:</p>

<pre><code>String 1: 29.Terms &amp; Conditions
Output Expected: 29

String 2: 
29.1Termination Date
or
29.11Termination Date
Output Expected: 29.1 or 29.11 (as per above strings)
</code></pre>

<p>We want to do this in asp.net using regex</p>
