Regex Tester
Test and debug regular expressions with live matching
How to use
1. Paste your input or choose a sample.
2. Adjust the options and run the tool.
3. Copy or share the output.
Use Cases
Building and testing email validation patterns before implementing in code
Extracting specific data from log files using capture groups
Common Mistakes
Forgetting to escape special regex characters like dots, brackets, and backslashes
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