Edit the registry directly only if you have no choice. Registry Editor ignores standard security measures so that these settings degrade performance, damage the system, and even require users to reinstall Windows. You can change most registry
Document directory
C {n}
C {m, n}
C {n ,}
*, + ,?
Greedy and non-greedy
Matching results of sub-regular expressions are not recorded
Forward pre-Query
?!
Global match, modifier g
Case-insensitive, modifier I
The end of the first line,
What is a regular expression?Many programming languages support regular expressions. This article only discusses Regular Expressions in JavaScript.
Create a regular expressionMethod 1:
Var reg =/pattern/; Method 2:
Var reg = new RegExp ('pattern');
Operating parameters of Regedit
REGEDIT [/l:system] [/r:user] filename1
REGEDIT [/l:system] [/r:user]/C filename2
REGEDIT [/l:system] [/r:user]/e filename3 [Regpath]
/L:SYSTEM Specifies the location of the system. DAT file.
/R:USER Specifies the
PHP is used to compile examples of newly registered login programs on the school website, such as php instances. PHP compiles examples of new student registration and login programs on the school website. The php instance has three pages: (1)
This article mainly introduces how to use PHP to compile examples of newly registered login programs on the school website, including only some key points of simple database information entry and query steps, if you need it, you can refer to the
How to make your SQL run faster---- People tend to fall into a misunderstanding when using SQL, that is, they are too concerned about whether the obtained results are correct and ignorePerformance differences may exist between different
Lsof is a powerful diagnostic tool that can be used to contact open files through a process and can list all the file information opened by a process.1 finding the process associated with an open fileBy specifying a file, you can discover the
1, Lsof IntroductionLsof is a very practical system-level monitoring and diagnostic tool under Linux.It means List Open Files, and it's easy for you to remember that it's a combination of "ls + of" ~It can be used to list the file information opened
Or a side dish, the first time to share code ah, this is their own previous write a PHP collection class, I have been in use, self-feeling is very simple and powerful, as long as a little bit of knowledge of the selector can be collected any page,
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