# RegEX: Dev Tool — Regex Tester & Manager

> Regex Tester & Manager (iPhone/iPad app by Micah Crandell.)

- Source: https://appshunter.io/ios/app/regex-dev-tool/id6748432862 (this page in markdown: same URL + `.md`)
- Developer: [Micah Crandell](https://appshunter.io/developer/1755081026)
- Category: Developer Tools, Utilities
- Price: $0.99 (on sale, was $1.99)
- Age rating: 4+
- Requires: iOS 18.5 · 6 MB
- Languages: American English
- Released: 2025-07-10
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/regex-dev-tool/id6748432862/reviews.md

## What is RegEX?

RegEX: Dev Tool is the ultimate on-device utility for anyone working with regular expressions—developers, DevOps engineers, data scientists, sysadmins or students.

Live Regex Tester
- Instant match highlighting as you type
- Multi-line editor with numbered match indicators
- Inline flag toggles (i, m, s, x, u) and descriptive tooltips
- Error-safe compilation feedback for invalid patterns
Pattern Library
- Save custom patterns with names & tags
- Quick search across names, patterns & tags
- Import/export entire collections via JSON
Comprehensive Reference Guide
- Categorized sections (Anchors, Quantifiers, Groups, Classes…)
- Real-world examples (email, IP, URL…)
- “Try in Tester” one-tap loading of any token into the tester
- Tag-based filtering and cross-category search
Powerful Share & Export
- Copy matches, full results or JSON test reports
- Native iOS share sheet for text or file formats
- Drag-and-drop and clipboard support (privacy compliant)
Privacy-First Design
- All data stored locally (no analytics, no network access)


## Version history (last 2 releases)

### 1.12 — 2025-07-14

We’re thrilled to expand your workflow with comprehensive file-type support right inside the app. Now you can open, inspect, and apply Regex patterns to many new file types.

New File Formats Supported
- Microsoft Office: DOCX, DOC, XLSX, PPTX (plus legacy DOC, XLS, PPT)
- PDFs: Full-text extraction powered by PDFKit
- OpenDocument: ODT, ODS, ODP
- eBooks: EPUB
- Rich Text: RTF, RTFD
- Web & Markup: HTML, XML, JSON, YAML
- Programming Languages: Python, JavaScript, TypeScript, Swift, Java, C/C++ and more
- Data Formats: CSV, TSV, SQL
- Others: Markdown, log files, and beyond

Seamless Integration
- Instant Processing: Pass the entire file content through the Regex engine in one tap
- Consistent Performance: Enjoy the same lightning-fast search and replace you love, now on every format

Thank you for using RegEX: Dev Tool! We’re always listening! If you have feedback or run into any issues, please let us know.

### 1.0 — 2025-07-10

No release notes.

## More apps by Micah Crandell

- [Control-It](https://appshunter.io/ios/app/control-it/id6505086470)
- [MotoLog RS](https://appshunter.io/ios/app/motolog-rs/id6759879449)

All apps by Micah Crandell: https://appshunter.io/developer/1755081026

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-16.*