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>

转载于:https://www.cnblogs.com/zhway/archive/2006/08/01/464601.html