🔍 Premium Regex Tester

1. Enter your regular expression pattern in the "Regex Pattern" field

2. Type or paste test text in the "Test Text" area

3. Matches will be highlighted automatically in real-time

4. Use the checkboxes to enable regex flags (g, i, m, s, u, y)

• g (global) - Find all matches in the string
• i (ignore case) - Case-insensitive matching
• m (multiline) - ^ and $ match start/end of lines
• s (dotAll) - . matches newline characters
• u (unicode) - Unicode support
• y (sticky) - Matches from the last index

• Replace Tab - Test string replacement with your regex
• Multiple Strings - Test your regex against multiple strings at once
• Capture Groups - View extracted groups from your regex
• Explanation - Get plain English explanations of your regex
• Benchmark - See performance metrics for your regex
• Templates - Use common regex patterns as starting points
• Save Patterns - Save frequently used patterns for quick access
• Export JSON - Export match results to JSON format
• Share - Generate a shareable URL for your regex

• Email validation: \b[\w.%+-]+@[\w.-]+\.[A-Za-z]{2,}\b
• Phone numbers: \b\d{3}[-.]?\d{3}[-.]?\d{4}\b
• URLs: https?://[\w.-]+\.[a-z]{2,}[/\w.-]*
• Dates: \b\d{4}-\d{2}-\d{2}\b
• HTML tags: <[^>]+>

• Start with simple patterns and build complexity gradually
• Use the explanation tab to understand complex patterns
• Test edge cases to ensure your regex works correctly
• Use non-capturing groups (?: ) when you don't need to capture
• Use the benchmark to identify performance issues