sql regex match

Regex usage in MongoDB Background Part1: Preface Anyone who uses MySQL or other relational databases knows that fuzzy queries are used in similar ways:SELECT * FROM products WHERE sku like "% 789 "; The regex in MongoDB described in this article

These two days in the demo. The function is implemented in a template (string Type, which is actually an SQL select query statement), and a regular expression is used to query fields that meet the conditions, then, replace other values with the

First, let's look at the sample SQL statement to be parsed: Copy codeThe Code is as follows: select * from dual SELECT * frOm dual Select C1, c2 From tb Select c1, c2 from tb Select count (*) from t1 Select c1, c2, c3 from t1 where condi1 = 1 Select

What is a regular expression?Regular expressions, also known as formal representations, general representations (English: Regular Expression, often abbreviated as regex, RegExp, or re) in code, are a concept of computer science. A regular expression

First look at the sample SQL statement to parse: Copy Code code as follows: SELECT * FROM dual SELECT * from dual Select C1,C2 from TB Select C1,C2 from TB Select COUNT (*) from T1 Select c1,c2,c3 from t1 where condi1=1

The relationship between Regex and likeIn MySQL we often use regular expressions like filed '%?% '. But sometimes for regular filtering in complex scenarios, just a like looks a little bit out of hand.The essence of the Regex is ', like ' percent ' =

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;

Original address: http://www.cnblogs.com/rush/archive/2011/12/31/2309203.html1.1.1 SummaryRecently, the country's largest programmer community CSDN website user database was publicly released by hackers, 6 million of the user's login name and

There are three ways to implement regular expression matching in iOS. Now record them all here: 1. Using nspredicate (predicate) matchingFor example, to match a valid mailbox: NSString *email = @ "nijino_saki@163.com"; nsstring *regex = @ "

1.1.1 SummaryRecently, the country's largest programmer community CSDN website user database was publicly released by hackers, 6 million of the user's login name and password was publicly disclosed, followed by a number of Web site user passwords