更新时间:2023-02-21 12:07:42
<script type="text/javascript">
function validate(evt) {
var theEvent = evt || window.event;
var key = theEvent.keyCode || theEvent.which;
key = String.fromCharCode(key);
var regex = /[]|\./;
if(!regex.test(key)) {
theEvent.returnValue = false;
if(theEvent.preventDefault) theEvent.preventDefault();
}
}
</script>
<span>Textbox name</span>
<input name="ReceiveNo" type="text" class="txtbox" onkeypress='validate(event)' value="" required tabindex="" />