Regex Search

About

🔍 Regex Search - Advanced Pattern Matching for Web Pages

Transform how you search web pages with powerful regular expression capabilities right in your browser!

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KEY FEATURES

✨ SEARCH & HIGHLIGHT
• Find patterns with full regex support
• Instant highlighting with visual feedback
• Navigate between matches with keyboard shortcuts
• Match counter shows total results and current position
• Case-sensitive and plain text search modes

🎯 ADVANCED PATTERN MATCHING
• Multi-pattern search with color-coded highlights
• Save frequently used patterns for quick access
• Search history (last 10 searches)
• Real-time search as you type (with debouncing)
• Support for regex flags (multiline, dotAll, unicode, sticky)

🔧 FIND & REPLACE
• Replace current match or all matches at once
• Capture group support ($1, $2, etc.)
• Visual confirmation before replacing
• Browser native undo support (Ctrl+Z)

💾 DATA MANAGEMENT
• Export search results to CSV format
• Context display (50 chars before/after each match)
• Persistent highlights across page reloads
• Save patterns with custom names for reuse

⌨️ KEYBOARD SHORTCUTS
• Enter: Start search
• Shift+Enter: Jump to previous match
• Escape: Clear current search
• Ctrl/Cmd+C: Copy current match to clipboard

📊 EXPORT & ANALYSIS
• Export all matches to CSV with context
• Track match positions in document
• Full-text context extraction around each match
• URL tracking for organized data collection

USE CASES

🔹 Web Development
Find specific code patterns, CSS classes, or HTML attributes in documentation and web pages

🔹 Research & Data Collection
Extract emails, phone numbers, URLs, dates, and structured data from web pages

🔹 Content Editing & Review
Find and replace text across long articles, documentation, or web content

🔹 Learning & Practice
Practice regex patterns on real web content with instant visual feedback

🔹 Quality Assurance
Verify patterns, find inconsistencies, and validate data formats on web pages

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COMMON SEARCH PATTERNS

📧 Email Addresses
Pattern: \w+@\w+\.\w+
Example: [email protected]

📞 Phone Numbers
Pattern: \d{3}-\d{3}-\d{4}
Example: 555-123-4567

🌐 URLs
Pattern: https?://[^\s]+
Example: https://example.com

🎨 Hex Color Codes
Pattern: #[0-9A-Fa-f]{6}
Example: #FF5733

📅 Dates (MM/DD/YYYY)
Pattern: \d{2}/\d{2}/\d{4}
Example: 12/31/2024

🔢 Numbers
Pattern: \d+
Example: 123, 456

💰 Currency
Pattern: \$\d+(\.\d{2})?
Example: $19.99

📍 IP Addresses
Pattern: \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}
Example: 192.168.1.1