libregexp-java software package provides Regular expression library for Java, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libregexp-java
libregexp-java is installed in your system.
Make ensure the libregexp-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libregexp-java *
You will get with libregexp-java package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libregexp-java |
| Version | 1.5-3build1 |
| Description | Regular expression library for Java |
| Sub Section | libs |