RegexTester

帮助测试、调试和生成正则表达式，支持匹配测试、分组捕获、全文提取和替换操作。

Practical regex patterns across languages and use cases. Use when validating input (email, URL, IP), parsing log lines, extracting data from text, refactoring code with search-and-replace, or debugging why a regex doesn't match.

Render Regulex-style railroad diagrams for a JavaScript regular expression and export the exact same SVG/PNG as the Regulex-Plus web UI (docs/index.html) "Ex...

Production-grade Playwright testing toolkit. Generate tests from specs, fix flaky failures, migrate from Cypress/Selenium, sync with TestRail, run on Browser...

Automatically generate complete unit test code including imports, test cases, mocks, and assertions for Jest, Mocha, or Pytest from given code.

Write correct, efficient regular expressions across different engines.