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Regex Therapy: Rename / Ack / Perl CLI

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.

Heads up! This tutorial was created on 2026-01-15 and everything was tested and working at that time. Technology moves fast though, and software updates can break things. No guarantees that every step still works exactly as written. When in doubt, check the latest docs for the tools involved.

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Tutorial Contents

01-overview.txt
02-installing-tools.txt
03-regex-building-blocks.txt
04-regex-combining-patterns.txt
05-ack-searching.txt
06-ack-advanced.txt
07-rename-basics.txt
08-rename-capture-groups.txt
09-perl-oneliners-basics.txt
10-perl-oneliners-examples.txt
11-quick-reference.txt
12-practice-exercises.txt