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Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
- Regex Library
A neat regex for finding out whether a given torrent name is...
- Account
Please sign in by clicking the link or the button in the...
- Regex Quiz
Parsing HTML with regex is seldom a good idea, despite there...
- Test
Test - regex101: build, test, and debug regex
- Links in String
Links in String - regex101: build, test, and debug regex
- NVM Help Pattern
NVM Help Pattern - regex101: build, test, and debug regex
- With Verified TLDs
With Verified TLDs - regex101: build, test, and debug regex
- Community Pattern Library
This regex matches every IPv4 address with or without 0s...
- Regex Library
A tool to generate simple regular expressions from sample text. Enable less experienced developers to create regex smoothly.
RegExr is a web tool that lets you edit, test, and explore regular expressions for JavaScript and PCRE flavors. You can use the cheatsheet, reference, and help to learn RegEx syntax, or save and share your patterns with the community.
regex101: build, test, and debug regex. / \| *\ {\ {cal \|([a-z]*)\}\}.*\ {\ {dm \|([a-z 0-9|]*)\}\} *\|\|(.*) *, *(.*) *, *(.*) *\ {\ {SmallFlag \|(.*)\}\} / gi. \| matches the character | with index 12410 (7C16 or 1748) literally (case insensitive) matches the character with index () literally (case insensitive)
Test and debug your regular expressions for Javascript, PCRE, PHP and more. Save and share your regex with a name and a description, or browse the top regular expressions for common tasks.
RegExr is a web tool for testing and learning regular expressions. You can edit the expression and text, see matches, save and share expressions, explore results with tools, and access a reference and tutorial.
Regexr101 is a web tool that helps you create, test, and debug regular expressions for pattern matching and string manipulation. You can use it to find and replace text, validate formats, and learn regex syntax with examples and tips.