资讯王 发表于 2011-4-8 15:36:34

Javascript 验证Email的格式,使用Regex

Javascript 验证Email的格式,使用Regex
validate email address is below:<script type="text/javascript">

function RegexEmail(emailInputBox){   
   var emailStr = document.getElementById(emailInputBox).value;
   var emailRegexStr = /^+@+\.{2,4}$/;
   var isvalid = emailRegexStr.test(emailStr);

   if (!isvalid) {
alert('Invalid email address!');
emailInputBox.focus;
}
}

</script>

<input name="emailInput" id="emailInput" maxlength="60" />
<input id="btn1" type="button" value="Validate Email" onclick="return RegexEmail('emailInput')" />
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