Regular Expression Tester
What is Regex Tester?
A Regular Expression (Regex) Tester is a tool that helps you test and debug regular expressions. It allows you to write a pattern, test it against sample text, and see all matches in real-time. You can also use it to perform text replacements using regex patterns.
Common Use Cases
- Validate text patterns (emails, phone numbers, etc.)
- Extract specific data from text
- Find and replace text patterns
- Clean and format text data
- Parse structured text
- Debug regex patterns
How to Use
- Enter your regular expression pattern
- Select regex flags (i, m, g, s) as needed
- Enter the text you want to test against
- Click "Test Match" to find matches
- Optionally enter replacement text
- Click "Replace" to perform text replacement