利用javascript正则表达式对邮件地址进行验证

骑猪看日落 2022-05-09 15:42 174阅读 0赞

<html><head><title></title>  
</head>  
<script language="javascript">  
           
   //将字符串转化为数组  
  function split(original,regex)  
\{  
var startIndex = 0;  
var tempArray = new Array();  
var index = 0;  
startIndex = original.indexOf(regex);  
while(startIndex < original.length && startIndex != -1)  
\{  
  temp = original.substring(index,startIndex);  
  tempArray.push(temp)  
  index = startIndex + regex.length;  
  startIndex = original.indexOf(regex,startIndex + regex.length);  
\}  
  tempArray.push(original.substring(index + 1 - regex.length));  
  return tempArray;  
\}

//利用正则表达式进行验证  
    function verify()  
    \{     
        
   var myarray;    
         var patterns = /^\[a-zA-Z0-9\_-\]+@\[a-zA-Z0-9\_-\]+(\\.\[a-zA-Z0-9\_-\]+)+$/;   
     
         myarray=split(document.mailform.maillist.value,",");  
    
        for(i=0;i<myarray.length;i++)

\{   
     
  if(patterns.test(myarray\[i\]))  
         \{  
              alert("email address");  
              return true;  
         \}  
         else  
         \{   alert("email address1"+document.mailform.maillist.value);  
             return false;  
            \}  
       \}  
    \}  
     
</script>