regular expressions

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37

String Matches in Regular Expressions

http://bashshell.net

Use parentheses to create the string matches you need in regular expressions. Parentheses allows you to use pipes for multiple matches.

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aweber's picture
Created by aweber 3 years 1 week ago – Made popular 3 years 1 week ago
Category: Beginner   Tags:
16

Matching Literal Text Strings to Locate Data in Shell Scripting

http://bashshell.net

One of the most powerful tools available to you in shell scripting is the ability to search for text strings which highlight the information you need.

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aweber's picture
Created by aweber 3 years 43 weeks ago – Made popular 3 years 43 weeks ago
Category: Beginner   Tags:
16

13 Features of Regular Expressions

http://bashshell.net

Regular expressions provide a robust set of features in the Bash Shell. This article lists 13 features you need to know about regex.

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aweber's picture
Created by aweber 3 years 44 weeks ago – Made popular 3 years 44 weeks ago
Category: Beginner   Tags:
22

Finding Things on Linux and Understanding Regular Expressions

http://www.linuxplanet.com

Juliet Kemp shares some useful regular expressions for finding things on your Linux system. She also guides us through the perilous minefields of single quotes, double quotes, and shell expansion, and shows us how to craft our own custom regular expressions.

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sunny's picture
Created by sunny 5 years 1 day ago – Made popular 5 years 7 hours ago
Category: High End   Tags:
18

Bash Regular Expressions

http://www.linuxjournal.com

When working with regular expressions in a shell script the norm is to use grep or sed or some other external command/program. Since version 3 of bash (released in 2004) there is another option: bash's built-in regular expression comparison operator "=~".

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chimera's picture
Created by chimera 6 years 16 weeks ago – Made popular 6 years 15 weeks ago
Category: High End   Tags:
14

Know your regular expressions

http://www.ibm.com

This article describes some useful tools and techniques for learning to build and hone regexps across a range of UNIX® applications, including:

* Highlighting matches
* Showing only the matches and not the lines
* Calling a wizard
* Studying docs

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C733tus's picture
Created by C733tus 7 years 13 weeks ago – Made popular 7 years 13 weeks ago
Category: High End   Tags: