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Regex to English Explainer - Online Understand Patterns

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Regex to English Explainer

Decode complex regular expressions into plain English explanations. Understand each token instantly.

Common Examples
  • 📧 Email Address
  • 🌐 URL
  • 🖥️ IPv4 Address
  • 📅 Date (YYYY-MM-DD)
  • 🎨 Hex Color
  • 📞 Phone Number
FAQ

A regex is a sequence of characters defining a search pattern, used for string matching, validation, and extraction. It's supported in most programming languages and tools.

Use this explainer to break down patterns. Start with tokens like \d, \w, and quantifiers. Practice with common examples like email and phone validation.

\d matches any digit (0-9). Its opposite \D matches any non-digit.

Greedy quantifiers (*, +, ?, {n,m}) match as many characters as possible, while lazy quantifiers (*?, +?, ??, {n,m}?) match as few as possible.

i – case insensitive, g – global match, m – multiline (^ and $ match line boundaries), s – dot matches newline, u – unicode, y – sticky.

The explainer runs entirely in your browser – no data is sent to any server. You can use it offline once the page is loaded.
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