【紧急求救】正则或类、PHP替换非本站域名
一个论坛程序,将用户帖子中的链接(*非本站的域名下的链接)全部替换成指定连接
例如源 代码:
-------------------------------------------------
<a href="http://www.AAA.com/" target="_blank">AAAAA</a><a href="http://wer.123.com/" target="_blank">BBBBB</a><a href="http://adf.h4.456.com/" target="_blank">CCCCC</a><a href="http://wer.AAA.com/" target="_blank">DDDDD</a><a href="http://asdgwre.wer.222.789.com/" target="_blank">EEEEE</a><a href="http://fadsf.543.com/" target="_blank">FFFFF</a><a href="http://234r.231.com/" target="_blank">GGGGG</a>
-----------------------------------------------------------
替换成
-----------------------------
<a href="http://www.AAA.com/" target="_blank">AAAAA</a><a href="#" target="_blank">BBBBB</a><a href="#" target="_blank">CCCCC</a><a href="http://wer.AAA.com/" target="_blank">DDDDD</a><a href="#" target="_blank">EEEEE</a><a href="#" target="_blank">FFFFF</a><a href="#" target="_blank">GGGGG</a>
------------------------
需求:将非AAA.com域名下的链接全部替换成“#”井号
以下代码可以替换所有链接为井号,但是不能分辨是否为AAA.COM
echo preg_replace("/(?<=href=)([^\>]*)(?=\>)/i","javascript:;", "你好,点这里看看你好,点这里看看");
求正则大神帮忙哈 很着急 一上午没弄出来
回复讨论(解决方案)
$str = <<<str<a href="http://www.AAA.com/" target="_blank">AAAAA</a><a href="http://wer.123.com/" target="_blank">BBBBB</a><a href="http://adf.h4.456.com/" target="_blank">CCCCC</a><a href="http://www.wer.AAA.com/" target="_blank">DDDDD</a><a href="http://asdgwre.wer.222.789.com/" target="_blank">EEEEE</a><a href="http://fadsf.543.com/" target="_blank">FFFFF</a><a href="http://234r.231.com/" target="_blank">GGGGG</a>str;echo preg_replace_callback("/http\:\/\/[^.]*[^A]+\.com\//is",function($r) { return str_replace($r[0], "#", $r[0]); },$str);
替换成这样滴 谢谢哈
<a href="http://www.AAA.com/" target="_blank">AAAAA</a>BBBBCCCCC<a href="http://wer.AAA.com/" target="_blank">DDDDD</a>EEEEEFFFFFGGGGG
echo preg_replace_callback("/<a href=\"http\:\/\/[^.]*[^A]+\.com\/\" target=\"_blank\">([^<]+)<\/a>/is",function($r) { return strip_tags($r[0]); },$str);
感谢microlab2009
但是在应用中我测试了一下发现几个问题
1:将非本站链接替换成井号,但是非链接也给替换了哦!
例如:和www.163.com(字符串非链接)全部都给替换成#井号了
2:删除链接
BBBBB
和
BBBBB
处理上出现错误,能修改第一个不能修改第二个。
望大神帮帮忙哈,无限的感谢已涌向心口........
1. $str = AAAAA
BBBBB
CCCCC
DDDDD
EEEEE
FFFFF
GGGGG
http://234r.231.com
str;
echo preg_replace_callback("/ (? ?>
2.echo preg_replace_callback("/]*>([^/is",function($r) { return strip_tags($r[0]); },$str);
都只是改改正则就可以了 还是得自己去先把正则熟悉熟悉
感谢大神的帮助 万分感谢哈~~~

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











Session hijacking can be achieved through the following steps: 1. Obtain the session ID, 2. Use the session ID, 3. Keep the session active. The methods to prevent session hijacking in PHP include: 1. Use the session_regenerate_id() function to regenerate the session ID, 2. Store session data through the database, 3. Ensure that all session data is transmitted through HTTPS.

There are four main error types in PHP: 1.Notice: the slightest, will not interrupt the program, such as accessing undefined variables; 2. Warning: serious than Notice, will not terminate the program, such as containing no files; 3. FatalError: the most serious, will terminate the program, such as calling no function; 4. ParseError: syntax error, will prevent the program from being executed, such as forgetting to add the end tag.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

HTTP request methods include GET, POST, PUT and DELETE, which are used to obtain, submit, update and delete resources respectively. 1. The GET method is used to obtain resources and is suitable for read operations. 2. The POST method is used to submit data and is often used to create new resources. 3. The PUT method is used to update resources and is suitable for complete updates. 4. The DELETE method is used to delete resources and is suitable for deletion operations.

In PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.

The arrow function was introduced in PHP7.4 and is a simplified form of short closures. 1) They are defined using the => operator, omitting function and use keywords. 2) The arrow function automatically captures the current scope variable without the use keyword. 3) They are often used in callback functions and short calculations to improve code simplicity and readability.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7
