Regex tester

Write a JavaScript regular expression and instantly see what it matches, what it captures and the result of a replace.

Try also

• Text diff: See line by line what was added and removed.
• Case converter: camelCase, snake_case, kebab-case, URL slugs and more.
• Word counter: Words, characters, sentences and reading time.
• Lorem ipsum generator: Placeholder text in paragraphs, sentences or words.