在JS中使用正则表达式验证电子邮箱是否正确
<script language="javascript">
function isEmail(strEmail) {
if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
return true;
else
alert("Email格式不正确!");
document.formSignUp.email.value="";
document.formSignUp.email.focus();
}
</script>
<script language="javascript">
function isEmail(strEmail) {
if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
return true;
else
alert("Email格式不正确!");
document.formSignUp.email.value="";
document.formSignUp.email.focus();
}
</script>