Summary of JS verification email address format methods_javascript skills

The example in this article describes the JS verification email address format method. Share it with everyone for your reference, the details are as follows:

Example 1:

Copy code The code is as follows:

function checkRate(input)
{
  var re = /^[_".0-9a-z-]+@([0-9a-z][0-9a-z-]+".){1,4}[a-z]{2,3}$/i;  
  var nubmer = document.getElementById(input).value;
   if (!re.test(nubmer))
  {
    alert("请输入正确格式的邮件地址");
    document.getElementById(input).value = "";
    return false;
   }
}

Example 2:

<script type="text/javascript">
function isValidMail() {
　　var TextVal = document.getElementById("TextBox1").value;
　　var Regex = /^(&#63;:\w+\.&#63;)*\w+@(&#63;:\w+\.)*\w+$/;
　　if (Regex.test(TextVal)){
　　alert(true);
　　}
　　else {
　　if (TextVal == "") {
　　　　alert("请输入电子邮件地址！！");
　　return false;
　　}
　　else {
　　alert("您好，你输入不正确，请重新输入；");
   document.getElementById("TextBox1").value = "";
　　return false;
　　　　}
　　}
}
</script>

Copy code The code is as follows:

I hope this article will be helpful to everyone in JavaScript programming.