Check if a textbox contains numbers only

Question

How to check if a textbox contains numbers only?

While googling I came across this. But I\'m wondering if isNumeric can be used for this purpose or if t

Answer 1

using pure JS regular expression

 var query = document.getElementById('myText').value;
 var isNumeric=query.match(/^\d+$/);
  if(isNumeric){/*...*/}else{/*...*/}

or using html5 control