grep Pattern Matching

Pattern matching with grep across 11 disciplines. Each page includes multiple partials that grow independently. 27 concern partials, all commands tested against Domus infrastructure.

Disciplines

Discipline Description Partials

Discipline	Description	Partials
Basics	Search flags, inversion, counting, file matching, extended regex	3
PCRE	Lookaheads, lookbehinds, `\K` reset, named groups, digit shorthand	2
Context & Recursive	`-A`/`-B`/`-C` context, `-o` extraction, recursive search, file filtering	3
Infrastructure	Network IPs/MACs, Antora attributes, hardcoded value audit, config validation	4
Pipelines	grep + xargs/awk/find, process substitution, conditional scripting, runbook nav	5
System Administration	Pacman logs, journalctl, systemd, log analysis, shell config audit	3
Git & Multi-Repo	git grep, commit history, pickaxe, multi-repo patterns across domus spokes	2
AsciiDoc	Document structure, attribute validation, xref linting	2
Documentation Audit	Thin pages, missing metadata, orphaned partials, duplicate titles	2
Security	Credential detection, certificate audit, SUID scan, SSH hardening	1
Gotchas	BRE/ERE/PCRE traps, portability issues, false positive verification	2

Basics

Search flags, inversion, counting, file matching, extended regex

PCRE

Lookaheads, lookbehinds, \K reset, named groups, digit shorthand

Context & Recursive

-A/-B/-C context, -o extraction, recursive search, file filtering

Infrastructure

Network IPs/MACs, Antora attributes, hardcoded value audit, config validation

Pipelines

grep + xargs/awk/find, process substitution, conditional scripting, runbook nav

System Administration

Pacman logs, journalctl, systemd, log analysis, shell config audit