Javascript RegExp

by ChrisStanyon

HTML

<input type="text" id="user" />
<button id="click">Click</button>
<div id="response"></div>

JavaScript

$('#click').click(function() {
    usr = $('#user').val();
    regex = new RegExp("^[a-z]+\\d{3}$");
    $('#response').text(regex.test(usr));
})