Regex Generator

Generate regular expressions from common patterns.

Presets

Generated regex

Click a preset to generate a regex.

What is Regex Generator?

Quick presets for common regex patterns (email, URL, numbers, dates, etc.). Copy the pattern and use it in your code or the Regex Tester.

1. Click a preset to generate its regex.

2. Copy the pattern and paste into your app or Regex Tester.

Test regular expressions and highlight matches.

Explain regular expressions in plain language.

Compare two texts and see differences.

Remove duplicate lines from text.

Sort lines of text alphabetically.

Count words, characters, and lines.

Format, validate, and beautify JSON with syntax highlighting.

Test regular expressions and highlight matches.

Encode text to Base64.

Generate UUID v4 identifiers.

Decode and inspect JWT header and payload.