sql server regular expression

Ext.: http://blog.csdn.net/weiwenhp/article/details/6943834#t1Directory: Meta-characters in regular expressions Regexp_like Regexp_instr Regexp_replace Regexp_substr When we want to do some simple confused query with percent sign (%), the wildcard character (_) is available. Where% expresses a string of any length, _ represents any one character.For example, the SELECT * from emp where ename like ' s% ' or ename as ' s_ '

navicate for MySQL export SQL script and then process through notepad++Use target: Extract all drop table SQL scripts：My operation steps:Step 1, select a database in navicate for MySQL, then right-click Dump SQL File and choose Save Path,will be saved as a SQL script file, including insert scripts for table and table.S

This example describes a common SQL attack regular expression in PHP. Share to everyone for your reference. The specific analysis is as follows: As we all know, all the library names are stored in the INFORMATION_SCHEMA library in the MySQL 5+, indicating the field name information. So the attack mode is as follows: 1. Determine whether the first character of t

In SQL query statements, regular expressions are sometimes required to specify the mode for their complex search. Some Regexp applications (not all) in MySQL statements are given below ): 1) ^ Match the start part of the string. mysql> SELECT 'fo/nfo' REGEXP '^fo$'; -> 0 mysql> SELECT 'fofo' REGEXP '^fo'; -> 1 2) $ Matches the end part of the string. mysql> SELECT 'fo/no' REGEXP '^fo/no$'; -> 1 m

Tags: regular expression sql MySQLHere's a brief look at MySQL's use of regular expressions when filtering data, primarily for each usage, or to add a few short notes.This is to say in advance that using regular expressions to filter the data is using the REGEXP keywordBasic

How to write a server log regular expression? 2013-06-23 04:33:51 W3SVC1539885 198.56.185.162 GET /robots.txt - 80 - 66.249.75.65 Mozilla/5.0+(compatible;+Googlebot/2.1;++http://www.google.com/bot.html) 404 0 2 I want to match date 2013-06-23/time 04:33:51/server ip198.56.185.162/file address robots.txt/spider ip66.24

Recently, the website found that the values of some fields were not the expected results. You need to replace the values. You can directly execute the following SQL statement. Recently, the website found that the values of some fields were not the expected results. You need to replace the values. You can directly execute the following SQL statement. The Code is as follows: Update dede_addonsoft SET dxylink

Oracle version: 10.2.0.1 OS: Linux 64-bit Regular expressions are used in SQL: Select count (*) From t Where regexp_like (T. Note, '^ (. | +) * (\ (either \) +', 'I ') The first execution can be performed, the second execution reports ORA-7445, session interruption. The records in the trace file are as follows: Exception signal: 11 (SIGSEGV), Code: 1 (address not mapped to object), ADDR: 0x5e, PC: [0x2a

(@inputCalue NVARCHAR (4000), @regexPattern NVARCHAR (4000)) RETURNS BIT As EXTERNAL NAME RegExCLR.RegExCLR.ClrClass.RegExMatch; OK, all OK, after we test it: Select COUNT (1) from Threads where dbo. Regexmatch (ThreadId, ' ^[{|\ (]?[ 0-9a-fa-f]{8}[-]? ([0-9a-fa-f]{4}[-]?) {3} [0-9a-fa-f] {12} [\)|}]? $ ') =1 The T-SQL above is the number of records that find the Threads table ThreadID is a GUID. equals 1 is a match, ^[{|\ (]?[ 0-9a-fa-f

CopyCode The Code is as follows: Update dede_addonsoft set dxylink = Replace (dxylink, '.zip ', '.rar') where aid> 45553; Copy codeThe Code is as follows: Update 'table _ name' set field = replace(field,'.rar','.7z '); Table_name: name of the table to be queried,Field: field name in the table,Replace(field,'.rar', '.7z');: Regular Expression matching. Replace. rar in the field with. 7z. MySQL

SQL call Regular Expression Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Create Function DBO. regexreplace ( @ Source varchar (5000), -- original string @ Regexp varchar (1000), -- Regular Expression @ Replace varchar (10

other parts are odd members. Replace even-numbered members? Yes, you can. The code is as follows import reSQL= R"SELECT * from a where id= ' aaaaa haha wocao ' and id1= ' FFF ' and Xx=1 and a3= 4 and a4=3434343 and a5a>99"Sql.split ("'")#['SELECT * from a where id=','aaaaa haha Wocao','and id1=','FFF','and Xx=1 and a3= 4 and a4=3434343 and a5a>99']sarr= Sql.split ("'") sarr#['SELECT * from a where id=','aaaaa haha Wocao','and id1=','FFF','and Xx=1 and a3= 4 and a4=3434343 and a5a>99']sarr

),@ RegexPattern NVARCHAR (4000) RETURNS BITAs external name RegExCLR. RegExCLR. ClrClass. RegExMatch; OK, after everything is OK, let's test:Select COUNT (1) from Threads where dbo. RegExMatch (ThreadId, '^ [{| \ (]? [0-9a-fA-F] {8} [-]? ([0-9a-fA-F] {4} [-]?) {3} [0-9a-fA-F] {12} [\) |}]? $ ') = 1The above T-SQL is to find out the number of records where ThreadId is GUID in the Threads table. 1 is a match, ^ [{| \ (]? [0-9a-fA-F] {8} [-]? ([0-9a-fA

Match the table name in an SQL statement. The Python regular expression is used for matching. I wanted to build a tool similar to PLSQL, which is not complete yet. Record it first. #-*-Coding: UTF-8-*-import rekeylist = ['access', 'add', 'all', 'alter ', 'and', 'any ', 'as', 'asc', 'audit', 'between', 'by', 'Char ', 'check', 'cluster', 'column', 'comment ', 'com

nvarchar (4000 ),@ Regexpattern nvarchar (4000) returns bitAs external name regexclr. regexclr. clrclass. regexmatch; OK, after everything is OK, let's test: Select count (1) From Threads Where DBO. regexmatch (threadid, '^ [{| \ (]? [0-9a-fa-f] {8} [-]? ([0-9a-fa-f] {4} [-]?) {3} [0-9a-fa-f] {12} [\) |}]? $ ') = 1The above T-SQL is to find out the number of records where threadid is guid in the threads table. 1 is a match, ^ [{| \ (]? [0-9a-fa-f

SQL Server database Regular automatic backup, SQL Server database Regular automatic backup of SQL Server databases for your reference. The s

expression, and call slog () to the log file. Copy Code code as follows: $Exec _commond = "(\\s|\\s) * (Exec (\\s|\\+) + (s|x) p\\w+) (\\s|\\s) *"; $Simple _XSS = "(\\s|\\s) * (%3c) |$Eval _XSS = "(\\s|\\s) * (%65) |e) (\\s) * (%76) |v) (\\s) * ((%61) |a) (\\s) * ((%6C) |l) (\\s|\\s) *"; $Image _XSS = "(\\s|\\s) * (%3c) |$Script _XSS = "(\\s|\\s) * (%73) |s) (\\s) * ((%63) |c) (\\s) * ((%72) |r) (\\s) * ((%69) |i) (\\s) * (%70) |

write a regular was lazy, without the regular expression validation of this situation, He might have thought it was a bit of a hassle, and maybe there was too little mail, Did not hear a letter of the top-level domain to provide the mailbox service, also did not see that mailbox username is a letter, so did not write. And later programmers have been using thi

Application of Regular Expressions in ms SQL Server the Oracle database provides regular expressions by default. For details, see wikipedia. For example: REGEXP_LIKE (), REGEXP_INSTR (), REGEXP_SUBSTR (), REGEXP_REPLACE (), which is not directly provided by the ms SQL

You've tried transaction-sql programming. This thing is disgusting, except the IDE, the most disgusting number of programming involved in the string concatenation problem. Imagine: In a huge complex business logic, it's full of while,if,case. You have to take care of all the situations and stitch strings in a certain rule. These strings may be SQL, or they may be the result, but whatever it is is our nightm