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