GrepEx

GrepEx is the ultimate regex and dorking toolkit for developers, security researchers, and power users. Generate production-ready regular expressions in 22 programming languages and build precise search queries—all from your pocket.

REGEX GENERATOR
Stop wrestling with regex syntax. Select what you need to match, and GrepEx generates the pattern with language-specific code you can copy directly into your project.

• 22 Languages: JavaScript, Python, Go, Rust, Java, C#, PHP, Ruby, Swift, Kotlin, TypeScript, Perl, Bash, PowerShell, and more
• 80+ Templates: Email, URL, IP address, phone numbers, dates, credit cards, passwords, file paths, log parsing, and dozens more
• Live Testing: Paste sample text and see matches highlighted instantly
• Pattern Explanation: Understand what each regex component does in plain English
• Safe Testing: Built-in protection against catastrophic backtracking (ReDoS)

SEARCH DORKING ENGINE
Craft advanced search queries to find exactly what you're looking for. Perfect for research, competitive analysis, and discovering hard-to-find resources.

• Visual Query Builder: Combine operators like site:, filetype:, inurl:, intitle:, and intext: without memorizing syntax
• 3,600+ GHDB Templates: Access the GHDB with categorized, searchable dork patterns
• Smart Exclusions: Filter out noise with preset exclusion lists for cleaner results
• One-Tap Search: Open your crafted query directly in your browser

BUILT FOR PRODUCTIVITY
• History & Favorites: Never lose a pattern you've created
• Export & Import: Back up your patterns and transfer between devices
• Dark Mode: Easy on the eyes during late-night coding sessions
• VoiceOver Support: Full accessibility for all users

PRIVACY FIRST
Your data never leaves your device. No accounts, no cloud sync, no analytics, no tracking. GrepEx works entirely offline for core features.

GREPEX PRO
Unlock unlimited potential:
• Save unlimited patterns and dorks
• Access all 22 programming languages
• Full GHDB search and save
• Extended history (100 items)
• Export/Import functionality

Whether you're validating user input, parsing log files, scraping data, or conducting security research, GrepEx puts professional-grade tools in your hands.

Download GrepEx and master regex today.