js的正则问题
- HTML code
<script src="js/jquery-1.7.2.min.js" type="text/javascript"></script><script type="text/javascript"> $(function () { $(".pd").blur(function () { var txt = $(this).val(); var reg = /^\d{1}$/; if (!reg.test(txt)) { $(this).val(""); } }); })</script> <form id="form1" runat="server"> <div> <input type="text" class="pd" /> </div> </form>- HTML code
<script src="js/jquery-1.7.2.min.js" type="text/javascript"></script><script type="text/javascript"> $(function () { $(".pd").blur(function () { var txt = $(this).val(); //var reg = $(this).attr("rg"); if (!reg.test(txt)) { $(this).val(""); } else { alert(1); } }); })</script><div> <input type="text" class="pd" rg="/^\d{1}$/" /> <input type="text" class="pd" rg='/^\d{1}\w$/' /> <input type="text" class="pd" rg='/^\d{2}$/' /> <input type="text" class="pd" rg='/^\d{3}$/' /> </div>[解决办法]
<script type="text/javascript">
function check(){
var input=document.getElementById("test");
var reg=input.getAttribute("rg");
var value=input.value;
reg=new RegExp(reg);
alert(reg.test(value));
}
</script>
</head>
<body>
<input type="text" rg="^\d{2,3}$" id="test" onblur="check()">
</body>
</html>
类似于这样试试
[解决办法]
<title>无标题文档</title>
<script type="text/javascript">
function init(){
var inputs=document.getElementsByTagName("input");
for(var i=0;i<inputs.length;i++){
if(inputs[i].type=="text"){
inputs[i].onblur=check;
}
}
}
function check(){
var reg=this.getAttribute("rg");
var value=this.value;
reg=new RegExp(reg);
alert(reg.test(value));
}
window.onload=init;
</script>
</head>
<body>
<input type="text" rg="^\d{2,3}$" >
<input type="text" rg="^[a-z]{4}$" >
<input type="text" rg="^[A-Z]{3}$" >
</body>
</html>
[解决办法]
你在生成时指定onblur触发check函数试试