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Formatadores e Código

Regex Playground

100+ curated patterns plus a live tester.

Runs in your browser

39 patterns

Email & web

Numbers

Dates

Phone & IDs

Code

Markup

Files

Misc

Matches

  • ada@example.com.

Nota do editor

Understanding · The hundred patterns you keep copying.

Este capítulo aprofundado está disponível apenas em inglês no momento. A ferramenta de conversão acima funciona no seu idioma; o artigo explicativo longo ainda não foi traduzido.

Perguntas frequentes

Quick answers.

›Which regex engine does this use?

The playground uses the native JavaScript RegExp engine built into your browser, which supports standard features like lookaheads and capture groups.

›Is my test data sent to a server?

No. All pattern matching and text processing happens locally on your device in real-time.

›What are the common regex flags?

Common flags include `g` for a global search across the whole string, `i` for case-insensitive matching, and `m` for multiline mode.

›Can I test complex patterns?

Yes. You can write your own custom patterns or select from over 100 curated examples including URL validation, date formats, and HTML tag matching.

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