<HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript1.2">
function isEmailAddress (string) {
var addressPattern =
/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-
9]+$/;
return addressPattern.test(string);
}
function checkEmail (field) {
if (!isEmailAddress(field.value)) {
alert('Please enter correct email address!');
field.focus();
field.select();
}
}
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME="aForm">
Your email address:
<INPUT TYPE="text" NAME="email"
ONCHANGE="checkEmail(this);"
>
</FORM>
</BODY>
</HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript1.2">
function isEmailAddress (string) {
var addressPattern =
/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-
9]+$/;
return addressPattern.test(string);
}
function checkEmail (field) {
if (!isEmailAddress(field.value)) {
alert('Please enter correct email address!');
field.focus();
field.select();
}
}
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME="aForm">
Your email address:
<INPUT TYPE="text" NAME="email"
ONCHANGE="checkEmail(this);"
>
</FORM>
</BODY>
</HTML>
EMail:<INPUT TYPE="text" NAME="email" onchange="validEmail(this)">
<SCRIPT LANGUAGE="JavaScript">
<!--
reEmail=/\w+\@\w+\.\w+/gi ;//true to pass
function validEmail(e){
var isOk=reEmail.test(e.value);
if(!isOk){
alert('不正确的邮件格式<br>这个邮箱将用于找回密码,请认真填写')
e.value='';
e.focus();
e.select();
return false
}
}
//-->
</SCRIPT>