3, sed tool introduction
1. Sed workflow
2. sed basic syntax
3. Practical application
(1) output the specified line
(2) insert qualified lines
(3) delete qualified lines
(4) replace the qualified text
(5) transfer qualified text
(6) execute multiple commands
(7) edit the file with script ...
Posted on Tue, 21 Sep 2021 19:55:48 -0400 by rajns
SHELL script - text three swordsman
optiondescribesupplement-EExtended regular (ERE)–extended–regexp-PBuilt in regularPerl-iignore case–ignore–case-nPrint line number–line–number-oPrint only matching content–only–matching-cPrint only the number of lines that match each file–count-BPrint the first few lines that match–befo ...
Posted on Mon, 20 Sep 2021 20:54:24 -0400 by dapuxter
1. Regular expression Regex
String provides methods to support regular expressions
Matches: Can the current string match a regular expressionReplceAll: Replace SubstringSplit (regular): split a string
k must match the specified character k abc must match the specified character abc [abc] matches only a single character [abc]  Combine on ...
Posted on Wed, 15 Sep 2021 13:39:29 -0400 by bakigkgz
1. sed concept
sed is a stream editor that edits a stream based on a set of pre-provided rules before the editor processes the data. The sed editor can process data in a data stream based on commands that are either entered from the command line or stored in a command text file.
2. sed's Workflow
sed's workflow mainly consist ...
Posted on Tue, 14 Sep 2021 12:09:42 -0400 by varun8211
Understand the role of regular expressions
Master the use of regular expressions
Create regular expressions
Regular expression composition Boundary character Character class Regular test
Regular expression overview
1. What is a regular expression
Regular Expression is a pattern used to match character combinations in a string. In ...
Posted on Sun, 05 Sep 2021 02:55:54 -0400 by moneytree
Introduction to Webpack (I) five cores [entry, output, mode, loader (regular expression), plugin], configuration file, plug-in, css and pictures in processing project
Introduction + five cores
In webpack, everything is a module, and any file can be regarded as a module. js, css and pictures are all modules. loader
Posted on Thu, 02 Sep 2021 02:38:12 -0400 by robotman321