sql server replace regex

The main manifestation of MSSQL website project injection is that scriptsrcaaa. bbb. cccjs. jsscript is added to the database field to a code similar to this. Typical JS injection for databases. The main cause is: 31. The attacker obtained the read

First back up the database in case of unnecessary loss. And then executes the varchar field with less than 8000 characters for all the horses being hanged. Copy Code code as follows: Update table name set field name =replace (field

// /// Filter tags/// /// source code that includes HTML, script, database keyword, and special characters /// the marked text has been removed Public static string nohtml (string htmlstring){If (htmlstring = NULL){Return "";}Else{// Delete the

Server security is the first consideration of a website. As a server, it may have been able to defend against some security problems before the website is released, so as to defend against external and internal attacks. But some injection attacks

First back up the database in case of unnecessary loss. And then executes the varchar field with less than 8000 characters for all the horses being hanged.Copy CodeThe code is as follows:Update table name set field name =replace (field name, ' ', ')

I. New. NET Class Library project Create a class library project named Mssqlregexextend Create a class named Regexextend Copy the following code into the class[CSharp]View PlainCopy Using System.Text.RegularExpressions;

SQL statement Using SqlCommand to pass parameters:String strSQL = "SELECT * FROM [user] WHERE user_id = @ id ";SqlCommand cmd = new SqlCommand ();Cmd. CommandText = strSQL;Cmd. Parameters. Add ("@ id", SqlDbType. VarChar, 20). Value = Request ["id"].

This article introduces the implementation of md5 encryption, which also includes SQL anti-injection code. If you need it, you can refer to it. The Code is as follows: Copy code Public class FormatStr{# Region MD5 Encryption//

As a performance tool of the Microsoft SQL Server database series, SQL Server Profiler can track the running status of databases in real time and find slow queries or deadlocked SQL statements, to optimize the system. This article describes how to

In SQL Server, where fuzzy matching strings are often used, the simplest way is to use the LIKE keyword (like syntax http://msdn.microsoft.com/en-us/library/ms179859.aspx). But if we use the method of adding percent before and after, there is no way