Free Online Regex Tester

Test regular expressions with live match highlighting, replace text, browse the cheatsheet, and pick from common pattern templates. All in your browser.

🧪Regex TesterTest regex patterns against text with live match highlighting.✏️Regex ReplaceFind and replace text using regular expressions with live preview.📖Regex CheatsheetComplete regular expression reference with examples for all syntax patterns.⚡Regex GeneratorGenerate common regex patterns — email, URL, IP, phone, date, and more.