How To Install elpa-pcre2el on Ubuntu

Posted on April 1, 2023  (Last modified on May 20, 2023 )

3 minutes  • 431 words

Introduction

In this tutorial we learn how to install elpa-pcre2el on Ubuntu.

What is elpa-pcre2el

elpa-pcre2el is:

This package provides pcre2el' or rxt’ (RegeXp Translator or RegeXp Tools), a utility for working with regular expressions in Emacs, based on a recursive-descent parser for regexp syntax. In addition to converting (a subset of) PCRE syntax into its Emacs equivalent, it can do the following:

• convert Emacs syntax to PCRE;
• convert either syntax to `rx’, an S-expression based regexp syntax untangle complex regexps by;
• showing the parse tree in `rx’ form and highlighting the;
• corresponding chunks of code show the complete list of strings (productions) matching a regexp, provided the list is finite;
• provide live font-locking of regexp syntax (so far only for Elisp buffers).

There are three methods to install elpa-pcre2el on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install elpa-pcre2el Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install elpa-pcre2el using apt-get by running the following command:

sudo apt-get -y install elpa-pcre2el

Install elpa-pcre2el Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install elpa-pcre2el using apt by running the following command:

sudo apt -y install elpa-pcre2el

Install elpa-pcre2el Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install elpa-pcre2el using aptitude by running the following command:

sudo aptitude -y install elpa-pcre2el

How To Uninstall elpa-pcre2el on Ubuntu

To uninstall only the elpa-pcre2el package we can use the following command:

sudo apt-get remove elpa-pcre2el

Uninstall elpa-pcre2el And Its Dependencies

To uninstall elpa-pcre2el and its dependencies that are no longer needed by Ubuntu, we can use the command below:

sudo apt-get -y autoremove elpa-pcre2el

Remove elpa-pcre2el Configurations and Data

To remove elpa-pcre2el configuration and data from Ubuntu we can use the following command:

sudo apt-get -y purge elpa-pcre2el

Remove elpa-pcre2el configuration, data, and all of its dependencies

We can use the following command to remove elpa-pcre2el configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge elpa-pcre2el

Dependencies

elpa-pcre2el have the following dependencies:

• dh-elpa-helper
• emacsen-common

References

• elpa-pcre2el website

Summary

In this tutorial we learn how to install elpa-pcre2el package on Ubuntu using different package management tools: apt, apt-get and aptitude.