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  • 正则表达式验证邮箱

    View Code
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>正则表达式验证邮箱</title>
    <script>
    window.onload=function()
    {
        var oTxt=document.getElementById('txt');
        var oBtn=document.getElementById('btn');
        
        oBtn.onclick=function()
        {
            var reg=/^\w+@[a-z0-9]+\.[a-z]+$/i;
            
            if(reg.test(oTxt.value))
            {
                alert('');
            }
            else
            {
                alert('');    
            }
        };
    };
    </script>
    </head>
    
    <body>
    <input type="txt" id="txt" />
    <input type="button" value="验证" id="btn" />
    </body>
    </html>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>正则表达式验证邮箱</title>
    <script>
    window.onload=function()
    {
        var oTxt=document.getElementById('txt');
        var oBtn=document.getElementById('btn');
        
        oBtn.onclick=function()
        {
            var reg=/^\w+@[a-z0-9]+\.[a-z]+$/i;
            
            if(reg.test(oTxt.value))
            {
                alert('');
            }
            else
            {
                alert('');    
            }
        };
    };
    </script>
    </head>
    
    <body>
    <input type="txt" id="txt" />
    <input type="button" value="验证" id="btn" />
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/52css/p/3038346.html
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