Common Regex Patterns

Copy-ready regular expression reference

What is a Regex Cheat Sheet?

A searchable reference of common regular expressions for email, URLs, phone numbers, dates, numbers, Chinese characters, HTML, JSON, and more. Copy any pattern for use in Find & Replace or your code.

How to Use

  1. Browse or search patterns by category.
  2. Click Copy on any pattern.
  3. Use in Find & Replace or your editor.

Tips & Notes

All processing runs locally in your browser. Your text is never uploaded to our servers.

Frequently Asked Questions

Are these JavaScript regex?

Most patterns work in JavaScript and PCRE-like engines. Flags are noted where needed.

Can I test a pattern here?

This page is a reference. Use Find & Replace with regex enabled to test on your text.

Related Tools

Try Find and Replace, Extract URLs and Emails.

How It Works

Static reference list of 50+ common patterns. Copy pattern text for use in Find & Replace (regex mode) or your code editor. Not executed on this page.