Regex 3 chars

Regex

by bullrout

HTML

<input type="text" class="creditCardText" />
<button class="btn" type="button">Button</button>

JavaScript

$('.btn').click(function() {
  var foo = $('.creditCardText').val().replace(/ /g, '').split("-").join(""); // remove hyphens
 
  var counter=0;
  var charLength = foo.length;
  Array.prototype.forEach.call(foo, function (chr) 		{
	  console.log("counter"+counter);
    console.log("charLength"+charLength);
    counter++;
    console.log(counter);
	});
});


//$('.creditCardText').keyup(function() {
//  var foo = $(this).val().split("-").join(""); // remove hyphens
//  if (foo.length > 0) {
//    foo = foo.match(new RegExp('.{1,4}', 'g')).join("-");
//  }
//  $(this).val(foo);
//});