Hi,<div><br></div><div>Running 1.53 and also 3.01 </div><div><br></div><div>I know there are operators to strip() and strip_tail() to remove characters from the front and end of a uri - what would people recommend to make sure that the uri only ever contains numerical value?</div>

<div><br></div><div>If I wanted to for example strip the - character what would be the best way?</div><div><br></div><div>TIA.</div><div>Stephen.</div>