Rxtool

MCP Tools

Test, extract, replace, split, and explain regular expressions. Use when asked to test a regex pattern, extract matches from text, do regex replacements, split text by pattern, or understand what a regex does. Supports named groups, case-insensitive/multiline/dotall flags, and JSON output. Works with stdin pipes or inline text. Zero dependencies.

Audits

Pending

ClawScanPass

Agentic behavior and permission review.

Static analysisPass

Pattern checks against bundled files.

VirusTotalPending

Multi-engine malware detections and file reputation.

Install

openclaw skills install rxtool

rxtool 🔤

Regex Swiss army knife — test, extract, replace, split, explain.

Commands

# Test a pattern against text
python3 scripts/rxtool.py test '(\d+)-(\d+)' "order-123-456"

# Extract all matches
python3 scripts/rxtool.py extract '\b\w+@\w+\.\w+\b' "email me at user@example.com"

# Extract with JSON output
echo "text" | python3 scripts/rxtool.py extract '\w+' --json

# Replace matches
python3 scripts/rxtool.py replace '\d+' 'NUM' "got 42 items and 7 boxes"

# Split by pattern
python3 scripts/rxtool.py split '[,;\s]+' "a, b; c d"

# Explain a regex
python3 scripts/rxtool.py explain '(?P<year>\d{4})-(?P<month>\d{2})'

Features

Group capture (numbered and named)
Case-insensitive (-i), multiline (-m), dotall (-s) flags
Stdin pipe support
JSON output for extraction
Regex explanation with component breakdown