How To Install libregexp-java on Kali Linux

Introduction

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

What is libregexp-java

libregexp-java 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!

There are three methods to install libregexp-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 libregexp-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 libregexp-java using apt-get by running the following command:

sudo apt-get -y install libregexp-java

Install libregexp-java Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libregexp-java

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

sudo aptitude -y install libregexp-java

How To Uninstall libregexp-java on Kali Linux

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

sudo apt-get remove libregexp-java

Uninstall libregexp-java And Its Dependencies

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

sudo apt-get -y autoremove libregexp-java

Remove libregexp-java Configurations and Data

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

sudo apt-get -y purge libregexp-java

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

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

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

Dependencies

libregexp-java have the following dependencies:

References

• libregexp-java website

Summary

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