电子信箱的格式对吗？
if(form1.txtemail.value.search("^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)\\. \\w+([-.]\\w+)*$")!=0){
alert("电子信箱格式不正确！");
form1.txtemail.focus();
return false;
}
------解决方案--------------------
自己翻一下正则表达式的用法吧。
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