<html>
<head>
<title></title>
<script language="JavaScript">
function Verify()
{
if(event.propertyName == "value")
{
if(!/^\d*(\.\d{0,2})?$/.test(event.srcElement.value))
{
event.srcElement.value = event.srcElement.value.replace(/^([^\d]*)(\d*(\.\d{0,2})?)(.*)/g, "$2");
}
}
}
</script>
</head>
<body>
<input onpropertychange="Verify()">
</body>
</html>
<head>
<title></title>
<script language="JavaScript">
function Verify()
{
if(event.propertyName == "value")
{
if(!/^\d*(\.\d{0,2})?$/.test(event.srcElement.value))
{
event.srcElement.value = event.srcElement.value.replace(/^([^\d]*)(\d*(\.\d{0,2})?)(.*)/g, "$2");
}
}
}
</script>
</head>
<body>
<input onpropertychange="Verify()">
</body>
</html>
解决方案 »
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