rg — Ripgrep Search

Basics

Pattern search, case-insensitive, word match, multiline, quiet mode

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File Filtering

Type filters, globs, hidden files, ignore rules, depth limits

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Output

Files-only, JSON, vimgrep, context, replace, stats

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Regex

Rust regex, PCRE2 mode, lookaheads, Unicode, named captures

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Infrastructure

Multi-repo search, config audit, secret scanning, log analysis

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Gotchas

.gitignore behavior, binary/hidden skipping, PCRE2 requirement

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Replace

Capture groups, named captures, --passthru context, diff comparison, attribute transforms

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JSON Processing

--json schema, jq extraction, CSV export, Python processing, aggregate statistics

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Multi-Repo

Brace expansion across spokes, per-repo stats, attribute tracking, xref validation

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Log Analysis

journalctl piping, auth scanning, error frequency, rate detection, compressed logs

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Config Audit

Active lines, sshd features, sudoers risks, firewall rules, systemd hardening

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Performance

Threads, mmap, benchmarks, max-count, max-filesize, git ls-files, --stats profiling

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