How To Install libregexp-java-doc on Ubuntu 18.04

In this tutorial we learn how to install libregexp-java-doc on Ubuntu 18.04. libregexp-java-doc is Documentation for the Regular expression library

Introduction

In this tutorial we learn how to install libregexp-java-doc on Ubuntu 18.04.

What is libregexp-java-doc

libregexp-java-doc is:

Regexp is a 100% Pure Java Regular Expression package. Regular expressions are pattern descriptions which enable sophisticated matching of strings. In addition to being able to match a string against a pattern, you can also extract parts of the match. This is especially useful in text parsing!

This package provides the Javadoc for the regexp API.

There are three methods to install libregexp-java-doc 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 libregexp-java-doc Using apt-get

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

sudo apt-get update

After updating apt database, We can install libregexp-java-doc using apt-get by running the following command:

sudo apt-get -y install libregexp-java-doc

Install libregexp-java-doc Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libregexp-java-doc using apt by running the following command:

sudo apt -y install libregexp-java-doc

Install libregexp-java-doc 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 libregexp-java-doc using aptitude by running the following command:

sudo aptitude -y install libregexp-java-doc

How To Uninstall libregexp-java-doc on Ubuntu 18.04

To uninstall only the libregexp-java-doc package we can use the following command:

sudo apt-get remove libregexp-java-doc

Uninstall libregexp-java-doc And Its Dependencies

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

sudo apt-get -y autoremove libregexp-java-doc

Remove libregexp-java-doc Configurations and Data

To remove libregexp-java-doc configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libregexp-java-doc

Remove libregexp-java-doc configuration, data, and all of its dependencies

We can use the following command to remove libregexp-java-doc configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libregexp-java-doc

References

Summary

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