How To Install libjregex-java on Kali Linux

In this tutorial we learn how to install libjregex-java on Kali Linux. libjregex-java is regular expressions for Java

Introduction

In this tutorial we learn how to install libjregex-java on Kali Linux.

What is libjregex-java

libjregex-java is:

The JRegex is compact and efficient regular expression library for Java. It provides support for full Perl 5.6 regex syntax and is compliant with unicode.org’s regex guidelines. Besides that, jregex supports named groups (existing in Python regexes but neither in Perl nor in other Java libs), and incomplete matching, which is hardly found elsewhere.

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

Install libjregex-java Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install libjregex-java

Install libjregex-java Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libjregex-java

Install libjregex-java Using aptitude

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

sudo aptitude update

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

sudo aptitude -y install libjregex-java

How To Uninstall libjregex-java on Kali Linux

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

sudo apt-get remove libjregex-java

Uninstall libjregex-java And Its Dependencies

To uninstall libjregex-java and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove libjregex-java

Remove libjregex-java Configurations and Data

To remove libjregex-java configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge libjregex-java

Remove libjregex-java configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge libjregex-java

Dependencies

libjregex-java have the following dependencies:

References

Summary

In this tutorial we learn how to install libjregex-java package on Kali Linux using different package management tools: apt, apt-get and aptitude.