Regex Therapy: Rename / Ack / Perl CLI

2026-01-15 · 12 parts · No login required

Learn regular expressions through practical command-line tools. Master ack for searching, rename for bulk file operations, and Perl one-liners for text transformation. Same syntax across all three tools. No theory dumps, just patterns you can use today.

Part 1

Regex Therapy: Rename / Ack / Perl CLI

Regex Therapy - Overview

Installing The Tools

Regex Fundamentals - The Building Blocks

Regex Fundamentals - Combining Patterns

Ack - Searching Like A Pro

Ack - Advanced Techniques

Rename - Bulk File Operations

Rename - Pattern Capture Magic

Perl One-Liners - The Basics

Perl One-Liners - Real World Examples

Quick Reference Card

Practice Exercises