验证邮箱格式是否正确

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  /*
             *验证邮箱格式是否正确
             *参数strEmail，需要验证的邮箱
            */
            function chkEmail(strEmail) {
                if (!/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test(strEmail)) {
                    return false;
                }
                else {
                    return true;
                }
            }