php URL验证正则表达式_php技巧
$url = 'http://www.baidu.com/zongzi/oo.html';
$n = preg_match_all("/http:[\/]{2}[a-z]+[.]{1}[a-z\d\-]+[.]{1}[a-z\d]*[\/]*[A-Za-z\d]*[\/]*[A-Za-z\d]*[.]*html/",$url,$array);
var_dump($array);
?>

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











With the development of the Internet, URLs have become an integral part of people's daily lives. Sometimes, we need to validate a URL to determine if it contains a specific string. In PHP, you can use regular expressions to perform this process. This article will introduce how to use regular expressions to verify whether a URL contains a specified string in PHP. First, we need to understand some basic concepts in regular expressions. Regular expressions are expressions used to match string patterns. It is a special syntax used in patterns

In recent years, with the rapid development of the Internet, our lives are increasingly inseparable from the Internet. When we use the Internet, we often need to enter or provide a URL address. In order to ensure security and accuracy, we need to verify the entered URL address. This article will introduce how to use regular expressions in golang to verify URL addresses. Basic components of a URL address A standard URL address contains the following parts: Protocol: such as http, https, ftp, etc. domain name

It is a common requirement in golang to use regular expressions to verify whether the URL address is a second-level domain name. In this article, we will introduce how to use regular expressions in golang for verification, and how to write regular expressions to verify whether a URL address is a second-level domain name. First, let's take a look at the basic usage of regular expressions in golang. Golang provides a regular expression library regexp. We can use regular expressions by calling the regexp package. Using regular tables

Using regular expressions in golang to verify whether a URL address is a fifth-level domain name can be achieved through the following steps: First, we need to understand what a fifth-level domain name is, which refers to a complete domain name consisting of 5 parts, for example: https ://www.example.com.cn, the five parts are: protocol, host name, second-level domain name, third-level domain name and top-level domain name. In this article, we will verify whether a URL address is in the format of a fifth-level domain name. Next, we need to understand

In golang, it is very simple to use regular expressions to verify first-level domain names. First, we need to understand what a first-level domain name is. The first-level domain name refers to the highest-level domain name among Internet domain names, usually consisting of one word or abbreviation. For example, com in google.com is the first-level domain name. Therefore, the URL address we want to verify should be in a format similar to www.google.com or abc.baidu.com. Next, we can use golang’s regular

In web development, the input of URL parameters is very common. It is usually used to pass parameters to the server in order to perform some specific operations or query data. However, since input of URL parameters is not restricted, malicious users can exploit inappropriate input to attack your application. Therefore, validating the input of URL parameters is crucial. In this article, we will cover how to use regular expressions in PHP to validate input of URL parameters. First we need to understand what regular expressions are. Regular expression is a type of word used to match

In golang, it is very important to use regular expressions to verify whether an input is a complete URL address. Regular expressions are a descriptive language that can be used to match text patterns in strings. When we need to verify whether an input conforms to a certain format, regular expressions can help us quickly determine whether the input is correct. So how to use regular expressions in golang to verify whether the input is a complete URL address? This article will explain it to you. First, we need to understand the base of a URL address

Java Security: How to Prevent Insecure URL Redirects Introduction: In the modern Internet environment, URL redirections have become a common feature in web applications. It allows users to be sent to another URL when they click on a link, which facilitates user navigation and experience. However, URL redirection also brings some security risks, such as malicious redirection attacks. This article will focus on how to prevent unsafe URL redirections in Java applications. 1. Risks of URL redirection: The main reason why URL redirection is abused is that it
