How To Install pcre2-utils on Ubuntu 18.04

In this tutorial we learn how to install pcre2-utils on Ubuntu 18.04. pcre2-utils is New Perl Compatible Regular Expression Library - utilities

Introduction

In this tutorial we learn how to install pcre2-utils on Ubuntu 18.04.

What is pcre2-utils

pcre2-utils is:

This is PCRE2, the new implementation of PCRE, a library of functions to support regular expressions whose syntax and semantics are as close as possible to those of the Perl 5 language. New projects should use this library in preference to the older library, confusingly called pcre3 in Debian.

This package contains the utilities pcre2grep (like grep with PCRE) and pcre2test (a test program for the library, but also useful for experimenting with regular expressions). Both programs are also useful examples of programming with libpcre2.

There are three methods to install pcre2-utils on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install pcre2-utils Using apt-get

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

sudo apt-get update

After updating apt database, We can install pcre2-utils using apt-get by running the following command:

sudo apt-get -y install pcre2-utils

Install pcre2-utils Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install pcre2-utils using apt by running the following command:

sudo apt -y install pcre2-utils

Install pcre2-utils 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 pcre2-utils using aptitude by running the following command:

sudo aptitude -y install pcre2-utils

How To Uninstall pcre2-utils on Ubuntu 18.04

To uninstall only the pcre2-utils package we can use the following command:

sudo apt-get remove pcre2-utils

Uninstall pcre2-utils And Its Dependencies

To uninstall pcre2-utils and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove pcre2-utils

Remove pcre2-utils Configurations and Data

To remove pcre2-utils configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge pcre2-utils

Remove pcre2-utils configuration, data, and all of its dependencies

We can use the following command to remove pcre2-utils configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge pcre2-utils

References

Summary

In this tutorial we learn how to install pcre2-utils package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.