Table of Contents
回复讨论(解决方案)
Home Backend Development PHP Tutorial PHP验证中文表达式 急!!!!!!!

PHP验证中文表达式 急!!!!!!!

Jun 23, 2016 pm 02:25 PM

php u9

怎么用PHP验证中文字母和数字、

[\u4E00-\u9FA5]这个可以验证中文吗?????急

回复讨论(解决方案)

[\x4E00-\x9FA5]

应该是 [\x4E00-\x9FCF] 
现在的软件基本都支持 unicode 6.1 版本啦,不能再用老三篇

不行,[\u4E00-\u9FA5] 是 js 正则用的

既然你想到这样用,可见你用的是 utf-8 编码了
php 正则中要写作 [\x{4e00}-\x{9fa5}] 还要加上 u 修饰符
不过既然有了 u 修饰符,那么 \w 就已经包含中文了

应该是 [\x4E00-\x9FCF] 
现在的软件基本都支持 unicode 6.1 版本啦,不能再用老三篇

if (ereg('^[\x4E00-\x9FCF]{1,100}$','哈哈哈哈只')){    
     echo "通过";  
}else{  
     echo "错误";  
}  
?> 
还是错误呢、

不行,[\u4E00-\u9FA5] 是 js 正则用的

既然你想到这样用,可见你用的是 utf-8 编码了
php 正则中要写作 [\x{4e00}-\x{9fa5}] 还要加上 u 修饰符
不过既然有了 u 修饰符,那么 \w 就已经包含中文了

gb2312不明白js也用的是gb2312

浏览器会将所有传入的数据统一化为 unicode 编码,对于简体中文环境就是 ucs-2 
而 \u4E00-\u9FA5 正是汉字的 ucs-2 的编码范围

浏览器会将所有传入的数据统一化为 unicode 编码,对于简体中文环境就是 ucs-2 
而 \u4E00-\u9FA5 正是汉字的 ucs-2 的编码范围

是的,明白。

但是你说我在eregi()中怎么就用不了呢

if(eregi()){
      ecjp '正确';
}

谢谢!!!

echo '正确';

是不是ereg被支持了呢????

ereg 系列使用的是 POSIX 正则
preg 系列使用的是 PCRE 正则
两者不兼容!

而 ereg 函数组将在不久的将来废除,建议不要使用

ereg 系列使用的是 POSIX 正则
preg 系列使用的是 PCRE 正则
两者不兼容!

而 ereg 函数组将在不久的将来废除,建议不要使用


非常感谢您!!!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

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

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Apr 05, 2025 am 12:04 AM

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

How does session hijacking work and how can you mitigate it in PHP? How does session hijacking work and how can you mitigate it in PHP? Apr 06, 2025 am 12:02 AM

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.

Describe the SOLID principles and how they apply to PHP development. Describe the SOLID principles and how they apply to PHP development. Apr 03, 2025 am 12:04 AM

The application of SOLID principle in PHP development includes: 1. Single responsibility principle (SRP): Each class is responsible for only one function. 2. Open and close principle (OCP): Changes are achieved through extension rather than modification. 3. Lisch's Substitution Principle (LSP): Subclasses can replace base classes without affecting program accuracy. 4. Interface isolation principle (ISP): Use fine-grained interfaces to avoid dependencies and unused methods. 5. Dependency inversion principle (DIP): High and low-level modules rely on abstraction and are implemented through dependency injection.

How to debug CLI mode in PHPStorm? How to debug CLI mode in PHPStorm? Apr 01, 2025 pm 02:57 PM

How to debug CLI mode in PHPStorm? When developing with PHPStorm, sometimes we need to debug PHP in command line interface (CLI) mode...

What are Enumerations (Enums) in PHP 8.1? What are Enumerations (Enums) in PHP 8.1? Apr 03, 2025 am 12:05 AM

The enumeration function in PHP8.1 enhances the clarity and type safety of the code by defining named constants. 1) Enumerations can be integers, strings or objects, improving code readability and type safety. 2) Enumeration is based on class and supports object-oriented features such as traversal and reflection. 3) Enumeration can be used for comparison and assignment to ensure type safety. 4) Enumeration supports adding methods to implement complex logic. 5) Strict type checking and error handling can avoid common errors. 6) Enumeration reduces magic value and improves maintainability, but pay attention to performance optimization.

How to automatically set permissions of unixsocket after system restart? How to automatically set permissions of unixsocket after system restart? Mar 31, 2025 pm 11:54 PM

How to automatically set the permissions of unixsocket after the system restarts. Every time the system restarts, we need to execute the following command to modify the permissions of unixsocket: sudo...

Explain late static binding in PHP (static::). Explain late static binding in PHP (static::). Apr 03, 2025 am 12:04 AM

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

See all articles