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Collaboration on a world-wide community-driven collection of RegExp patterns and tools that can make our life easier.

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  1. 100% twitter compatible `@mentions` regex! Regular expression for matching `@username` mentions, as used on twitter, facebook, github, etc.

    JavaScript 70 3

  2. Best YouTube Video ID regex. Online: and

    JavaScript 74 5

  3. Function regex. Regular expression for matching function parts. Expose match groups for function name, arguments and function body.

    JavaScript 24 4

  4. Regular expression for usernames

    JavaScript 40 8

  5. Regular expression for getting the root of a posix or windows filepath.

    JavaScript 11 3

  6. Generates a regular expression for validating a range of years.

    JavaScript 14 3

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