JS验证邮件地址格式方法小结_javascript技巧

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Release: 2016-05-16 15:28:38
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本文实例讲述了JS验证邮件地址格式方法。分享给大家供大家参考,具体如下:

示例1:

复制代码代码如下:

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; } }
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示例2:

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复制代码代码如下:

希望本文所述对大家JavaScript程序设计有所帮助。

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