Php 用preg_match替换eregi将返回错误
我对php很陌生,所以请原谅我知识贫乏,但我使用电子邮件表单让用户在我的网页上注册,但运行它时会出错 全文如下:Php 用preg_match替换eregi将返回错误,php,preg-match,Php,Preg Match,我对php很陌生,所以请原谅我知识贫乏,但我使用电子邮件表单让用户在我的网页上注册,但运行它时会出错 全文如下: <?php if(isset($_POST['email'])) { // EDIT THE 2 LINES BELOW AS REQUIRED $email_to = "contact@slapmybeat.com"; $email_subject = "New e-mail subscriber"; function died($err
<?php
if(isset($_POST['email'])) {
// EDIT THE 2 LINES BELOW AS REQUIRED
$email_to = "contact@slapmybeat.com";
$email_subject = "New e-mail subscriber";
function died($error) {
// your error code can go here
echo "We are very sorry, but there were error(s) found with the form your submitted. ";
echo "These errors appear below.<br /><br />";
echo $error."<br /><br />";
echo "Please go back and fix these errors.<br /><br />";
die();
}
// validation expected data exists
if
(!isset($_POST['email'])) {
died('We are sorry, but there appears to be a problem with the email your submitted.');
}
$email_from = $_POST['email']; // required
$error_message = "";
$email_exp = "/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/";
if(!preg_match($email_exp,$email_from)) {
$error_message .= 'The Email Address you entered does not appear to be valid.<br />';
}
if(strlen($error_message) > 0) {
died($error_message);
}
$email_message = "Form details below.\n\n";
function clean_string($string) {
$bad = array("content-type","bcc:","to:","cc:","href");
return str_replace($bad,"",$string);
}
$email_message .= "Email: ".clean_string($email_from)."\n";
// create email headers
$headers = 'From: '.$email_from."\r\n".
'Reply-To: '.$email_from."\r\n" .
'X-Mailer: PHP/' . phpversion();
@mail($email_to, $email_subject, $email_message, $headers);
?>
<!-- include your own success html here -->
Thank you for contacting us. We will be in touch with you very soon.
<?
}
?>
感谢您联系我们。我们将很快与您联系。
首先,我有一个“eregi折旧”错误,因为初始脚本如下所示:
$error_message = "";
$email_exp = "^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$";
if(!eregi($email_exp,$email_from)) {
$error_message .= 'The Email Address you entered does not appear to be valid.<br />';
}
$error_message=”“;
$email_exp=“^[A-Z0-9.\%-]+@[A-Z0-9.-]+\[A-Z]{2,4}$”;
如果(!eregi($email\u exp,$email\u from)){
$error_message.=“您输入的电子邮件地址似乎无效。
”;
}
谷歌搜索后,我将其替换为:
$error_message = "";
$email_exp = "/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/";
if(!preg_match($email_exp,$email_from)) {
$error_message .= 'The Email Address you entered does not appear to be valid.<br />';
}
$error_message=”“;
$email_exp=“/^[A-Z0-9.[UZ0%-]+@[A-Z0-9.-]+\[A-Z]{2,4}$/”;
如果(!preg_match($email_exp,$email_from)){
$error_message.=“您输入的电子邮件地址似乎无效。
”;
}
但现在它给了我以下信息,尽管电子邮件地址是正确的:
非常抱歉,您的表单中存在错误
提交。这些错误如下所示
您输入的电子邮件地址似乎无效
请返回并修复这些错误
任何帮助都将受到高度重视
eregi
不区分大小写,preg\u match
不区分大小写
您必须将
i
添加到模式的末尾(/../i
)。不是直接的答案,但如果您想检查有效的电子邮件地址,则使用php内置的:
现在,$email
将包含过滤后的电子邮件地址,或者如果过滤失败(在本例中不是有效地址),false将包含过滤后的电子邮件地址。您应该转义[]中的“.”,因为如果不这样做,它将匹配每个字符,您将有:
"/^[A-Z0-9\._%-]+@[A-Z0-9\.-]+\.[A-Z]{2,4}$/i"
建议:在网上找到一个以上的(电子邮件)表单并测试它们。一个人注定要工作而不失败。实际上有成千上万的人,其中许多人已经内置了安全功能和验证。不要把自己局限于一个人。干杯错。只有^、\、-、和]元字符在[]中有特殊含义,需要转义(^仅当第一个,-仅当不是最后一个)。@Phil Ok,但我的正则表达式对您的评论无效吗?您做出了具体的声明,必须转义“.”,因为它将匹配所有内容,但这不是真的。[]中的“.”没有特殊含义(至少在标准regexp实现中是这样)。逃避它并没有什么坏处,但这不是必须的。
"/^[A-Z0-9\._%-]+@[A-Z0-9\.-]+\.[A-Z]{2,4}$/i"