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<input id="price1" name="Price1" style="width:100px;text-align:right" onblur="Money();">
<script type="text/javascript">
function Money(){
var sprice1 = document.getElementById('price1').value;
if (sprice1==""){
return;
}
var reg1 = /^[1-9]\d{0,2}(?:(,\d{3})*|\d*)(?:\.\d*)?$/;
if (reg1.test(sprice1)){
alert("OK");
}else{
alert("输入金额格式不正确");
}
}
</script>
var bInt = /^[1-9]\d{0,2}(?:(,\d{3})*|\d*)(?:\.\d*)?$/.test('1,234,456.123');
var bInt = /^(\d{1,3},)*\d*(\.\d*)?$/.test('1,234,456.123');