Regex Generator

Build and test regular expressions with live matching.

Examples

Regex Cheatsheet

Digits: \d
Word characters: \w
Whitespace: \s
Quantifiers: *, +, ?, {n}
Groups: ()
Alternation: |
Anchors: ^, $
Character classes: []

How to Use

  • Enter a sample text.
  • Write or generate a pattern.
  • See matches highlighted.

Features

  • Pattern builder
  • Match highlighting
  • Common regex snippets

Benefits

  • Learn regex faster
  • Test before implementing
  • Handy for text processing

Use Cases

  • Form validation
  • Data extraction
  • Log parsing

Frequently Asked Questions

Quick answers about this tool.

Does it support all regex flavors?

It uses JavaScript regex syntax.

Can I save my patterns?

You can copy the pattern; no server-side save.