diff --git a/README.md b/README.md
index 18f4607..6e45e85 100644
--- a/README.md
+++ b/README.md
@@ -32,11 +32,11 @@ If you prefer an email, contact me at `toolleeo@gmail.com`.
 
 # Summary
 
-To date, **836** apps/tools covered, divided in **45** categories.
+To date, **837** apps/tools covered, divided in **45** categories.
 
 # Index
 
-[Backup](#backup) (8) | [Calculators](#calc) (9) | [Chat and instant messaging](#chat) (12) | [Commands cheatsheet and snippets](#cheatsheet) (11) | [Conversion](#conversion) (7) | [Data management](#data-management) (38) | [Data transfer](#transfer) (27) | [Directory changers](#cd) (13) | [Disk usage analyzers](#disk-analyzer) (12) | [Editors](#editors) (22) | [Email](#email) (10) | [File and file system handling](#file-handling) (39) | [File manager](#file-manager) (11) | [File renamers](#file-renamer) (9) | [File systems](#file-system) (4) | [Font management](#font) (2) | [Funny tools](#funny) (23) | [Games](#games) (37) | [Git and accessories](#git) (30) | [Graphics](#graphics) (25) | [Multimedia](#multimedia) (6) | [Networking](#networking) (20) | [Note taking](#note-taking) (16) | [Office tools](#office) (16) | [Organizers and calendars](#organizers) (17) | [Online search and resources](#online) (10) | [Password managers](#password-manager) (13) | [Productivity](#productivity) (34) | [Programming](#programming) (33) | [Science](#science) (10) | [Security and encryption](#security) (18) | [Shells](#shells) (7) | [Sound and music](#music) (25) | [System monitoring](#monitor) (29) | [System tools](#system) (31) | [Terminals](#terminal) (9) | [Text processing](#text-processing) (44) | [Text search](#text-search) (9) | [Todo managers](#todo-manager) (20) | [Torrent](#torrent) (7) | [Utilities](#utility) (40) | [Versioning](#versioning) (6) | [Viewers](#viewers) (29) | [Web browser](#browser) (16) | [Web development](#webdev) (22)
+[Backup](#backup) (8) | [Calculators](#calc) (9) | [Chat and instant messaging](#chat) (12) | [Commands cheatsheet and snippets](#cheatsheet) (11) | [Conversion](#conversion) (7) | [Data management](#data-management) (38) | [Data transfer](#transfer) (27) | [Directory changers](#cd) (13) | [Disk usage analyzers](#disk-analyzer) (12) | [Editors](#editors) (22) | [Email](#email) (10) | [File and file system handling](#file-handling) (39) | [File manager](#file-manager) (11) | [File renamers](#file-renamer) (9) | [File systems](#file-system) (4) | [Font management](#font) (2) | [Funny tools](#funny) (23) | [Games](#games) (37) | [Git and accessories](#git) (30) | [Graphics](#graphics) (25) | [Multimedia](#multimedia) (6) | [Networking](#networking) (20) | [Note taking](#note-taking) (16) | [Office tools](#office) (16) | [Organizers and calendars](#organizers) (17) | [Online search and resources](#online) (10) | [Password managers](#password-manager) (13) | [Productivity](#productivity) (34) | [Programming](#programming) (33) | [Science](#science) (10) | [Security and encryption](#security) (18) | [Shells](#shells) (7) | [Sound and music](#music) (25) | [System monitoring](#monitor) (29) | [System tools](#system) (31) | [Terminals](#terminal) (9) | [Text processing](#text-processing) (44) | [Text search](#text-search) (9) | [Todo managers](#todo-manager) (20) | [Torrent](#torrent) (7) | [Utilities](#utility) (41) | [Versioning](#versioning) (6) | [Viewers](#viewers) (29) | [Web browser](#browser) (16) | [Web development](#webdev) (22)
 
 Some links to [related resources](#resources).
 
@@ -944,6 +944,7 @@ BitTorrent clients.
 * [peaches](https://github.com/KCaverly/peaches) - A smart switcher for the terminal. Based on tmux.
 * [pmenu](https://github.com/sgtpep/pmenu) - A dynamic terminal-based menu inspired by dmenu.
 * [powerline](https://github.com/powerline/powerline) - Powerline is a statusline plugin for vim, and provides statuslines and prompts for several other applications, including zsh, bash, tmux, IPython, Awesome and Qtile.
+* [Python re(gex)? exercises](https://github.com/learnbyexample/TUI-apps/tree/main/PyRegexExercises) - TUI application intended to help you practice Python regular expressions; there are more than 100 exercises covering both the builtin re and third-party regex module.
 * [rofi](https://github.com/davatorium/rofi) - A window switcher, application launcher and dmenu replacement.
 * [rss-cli](https://github.com/Clortox/rss-cli) - A unix-inspired cli application for interacting with RSS feeds.
 * [sauce](https://github.com/cadecuddy/sauce) - A novelty CLI tool that identifies an anime from an image and yields key data about it.
diff --git a/data/apps.csv b/data/apps.csv
index 4523a1b..d2297f9 100644
--- a/data/apps.csv
+++ b/data/apps.csv
@@ -835,3 +835,4 @@ monitor,nvitop,,https://github.com/XuehaiPan/nvitop,"An interactive NVIDIA-GPU p
 utility,guesswidth,,https://github.com/noborus/guesswidth,Guess the width output without delimiters in commands that output to the terminal.
 todo-manager,mdt,,https://github.com/basilioss/mdt,A simple command-line markdown todo list manager inspired by t.
 editors,pickaxe,,https://github.com/mdom/pickaxe,The redmine wiki editor.
+utility,Python re(gex)? exercises,,https://github.com/learnbyexample/TUI-apps/tree/main/PyRegexExercises,TUI application intended to help you practice Python regular expressions; there are more than 100 exercises covering both the builtin re and third-party regex module.