Regex Tester

Test regular expressions with syntax validation, match testing, group extraction, and replacement.

Features

• Validate: Check regex syntax validity
• Test: Match patterns against text
• Groups: Extract capture groups
• Replace: Find and replace with regex
• Explain: Get human-readable pattern explanation
• Flags: Support for common regex flags (global, case-insensitive, multiline, dotall)

Usage

# Test pattern matching
./scripts/regex.js --pattern "hello.*world" --text "hello there world"