：请问如何用正则验证 or 1 = 1
目的为了防止mysql注入操作。
回复讨论(解决方案)
[\s\S]*?or[\s\S]*?\d+[\s\S]*?=[\s\S]*?\d+
过滤空格和特殊字符
$a = array( "or 1 = 1", "Or 1 = 1", "or 3 =3", "or now() = now()", "or 'a' = 'a'",);foreach($a as $s) echo $s, " :\t\t", preg_match('/or\b.+(\b\w+\b)[^=]*=.*\1/i', $s), PHP_EOL;or 1 = 1 : 1Or 1 = 1 : 1or 3 =3 : 1or now() = now() : 1or 'a' = 'a' : 1
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
AI Hentai Generator
Generate AI Hentai for free.
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
How to verify signature in PDF
Feb 18, 2024 pm 05:33 PM
We usually receive PDF files from the government or other agencies, some with digital signatures. After verifying the signature, we see the SignatureValid message and a green check mark. If the signature is not verified, the validity is unknown. Verifying signatures is important, let’s see how to do it in PDF. How to Verify Signatures in PDF Verifying signatures in PDF format makes it more trustworthy and the document more likely to be accepted. You can verify signatures in PDF documents in the following ways. Open the PDF in Adobe Reader Right-click the signature and select Show Signature Properties Click the Show Signer Certificate button Add the signature to the Trusted Certificates list from the Trust tab Click Verify Signature to complete the verification Let
Detailed method to unblock using WeChat friend-assisted verification
Mar 25, 2024 pm 01:26 PM
1. After opening WeChat, click the search icon, enter WeChat team, and click the service below to enter. 2. After entering, click the self-service tool option in the lower left corner. 3. After clicking, in the options above, click the option of unblocking/appealing for auxiliary verification.
How to validate IFSC code using regular expressions?
Aug 26, 2023 pm 10:17 PM
Indian Financial System Code is the abbreviation. Indian bank branches participating in the electronic funds transfer system are identified by a special 11-character code. The Reserve Bank of India uses this code in internet transactions to transfer funds between banks. IFSC code is divided into two parts. Banks are identified by the first four characters, while branches are identified by the last six characters. NEFT (National Electronic Funds Transfer), RTGS (Real Time Gross Settlement) and IMPS (Immediate Payment Service) are some of the electronic transactions that require IFSC codes. Method Some common ways to validate IFSC codes using regular expressions are: Check if the length is correct. Check the first four characters. Checkthefifthcharacter.Che
New features in PHP 8: Added verification and signing
Mar 27, 2024 am 08:21 AM
PHP8 is the latest version of PHP, bringing more convenience and functionality to programmers. This version has a special focus on security and performance, and one of the noteworthy new features is the addition of verification and signing capabilities. In this article, we'll take a closer look at these new features and their uses. Verification and signing are very important security concepts in computer science. They are often used to ensure that the data transmitted is complete and authentic. Verification and signatures become even more important when dealing with online transactions and sensitive information because if someone is able to tamper with the data, it could potentially
How to verify whether input is uppercase letters in golang
Jun 24, 2023 am 09:06 AM
Golang is a high-performance, modern programming language that often involves string processing in daily development. Among them, validating whether the input is in uppercase letters is a common requirement. This article will introduce how to verify whether the input is uppercase letters in Golang. Method 1: Use the unicode package. The unicode package in Golang provides a series of functions to determine the encoding type of characters. For uppercase letters, the corresponding encoding range is 65-90 (decimal), so we can use unicod
How to verify whether the input is full-width characters in golang
Jun 25, 2023 pm 02:03 PM
In golang, Unicode encoding and rune type are required to verify whether the input is full-width characters. Unicode encoding is a character encoding standard that assigns a unique numeric code point to each character in the character set, which includes full-width characters and half-width characters. The rune type is the type used to represent Unicode characters in golang. The first step is to convert the input into a rune type slice. This can be converted by using golang's []rune type, e.g.
How to solve the problem of steam login stuck in mobile token verification?
Mar 14, 2024 pm 07:35 PM
Steam is a platform used by game enthusiasts. You can buy and purchase many games here. However, recently many users have been stuck in the mobile token verification interface when logging into Steam and cannot log in successfully. Faced with this Most users don't know how to solve this situation. It doesn't matter. Today's software tutorial is here to answer the questions for users. Friends in need can check out the operation methods. Steam mobile token error? Solution 1: For software problems, first find the steam software settings on the mobile phone, request assistance page, and confirm that the network using the device is running normally, click OK again, click Send SMS, you can receive the verification code on the mobile phone page, and you are done. Verify, resolve when processing a request
How to match multiple words or strings using Golang regular expression?
May 31, 2024 am 10:32 AM
Golang regular expressions use the pipe character | to match multiple words or strings, separating each option as a logical OR expression. For example: matches "fox" or "dog": fox|dog matches "quick", "brown" or "lazy": (quick|brown|lazy) matches "Go", "Python" or "Java": Go|Python |Java matches words or 4-digit zip codes: ([a-zA
