Regex Cheatsheet

Regex Cheatsheet

A comprehensive, searchable quick reference guide for regular expression syntax and common patterns. Whether you are writing validation rules, parsing log files, or doing text transformations, this cheatsheet gives you instant access to the regex patterns you need.

How to Use

Browse through the categorized tables to find the regex syntax you need. Use the search box to filter patterns by name, description, or example. Select a specific category from the dropdown to narrow your view. Click the copy button next to any pattern to copy it to your clipboard.

Features

• 7 Categories – Anchors, character classes, quantifiers, groups and references, lookahead and lookbehind, flags, and common patterns
• Instant Search – Filter all patterns in real-time by typing in the search box
• Category Filter – Focus on a specific category to find what you need quickly
• Copy to Clipboard – One-click copy for every pattern
• Practical Examples – Each pattern includes a real-world usage example