JavaScript表单验证集锦

<script language=javascript>

function onlyEng()

{

if(!(event.keyCode>=65&&event.keyCode<=90))

event.returnValue=false;

}

function onlyNum()

{

if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)))

//考虑小键盘上的数字键

event.returnValue=false;

}

function isEmail(strEmail) {

if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)

return true;

else

alert("oh");

}

</script>

<div align="center">

<center>

<table border="1" width="90%" cellspacing="0" cellpadding="0" style="font-size:12px" bordercolor="#000000" bordercolorlight="#000000" bordercolordark="#FFFFFF">