<input onblur="cc(this.value)">
<script language="JavaScript">
<!--
function cc(theValue)
{
var rest = /(\\)/;
if(rest.test(theValue))
{
alert('不能输入“\\”符号')
}
}
//-->
</script>
<script language="JavaScript">
<!--
function cc(theValue)
{
var rest = /(\\)/;
if(rest.test(theValue))
{
alert('不能输入“\\”符号')
}
}
//-->
</script>
onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/(\\)/g,''))" >