密码：<input id="txt"  onblur="ck(this.value)"><label id=n></label>

<script>

function ck(t){

n.innerText=/(?:^(\w)\1{0,8}$)|^(?:(0?1?2?3?4?5?6?7?8?9?0?)\2?$)|^\w{0,6}$/i.test(t)?'太简单了':'还行吧';

}

</script>