Question 1

What is regular expressions (regex)?

Accepted Answer

Regular expressions are patterns used to match character combinations in strings. They're powerful tools for text processing, validation, and search operations.

Question 2

How do I test if my regex pattern works?

Accepted Answer

Enter your regex pattern and test text. The tool will highlight matches in real-time and show capture groups, making it easy to see what your pattern matches.

Question 3

What are capture groups?

Accepted Answer

Capture groups are parts of your regex pattern enclosed in parentheses. They allow you to extract specific parts of matched text, useful for data extraction and replacement.

Question 4

Does the tool support different regex flavors?

Accepted Answer

The tool uses JavaScript regex flavor, which is widely compatible with modern web applications and most programming languages.

Question 5

Can I save commonly used regex patterns?

Accepted Answer

The tool includes a library of common regex patterns for emails, URLs, phone numbers, and more. You can also save your own patterns locally.

🧪 Advanced Regex Tester

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