--- title: "RegExp - Reviews, Revenue and Downloads in Japan | Apple App Store" description: "Available on macOS, iOS and iPadOS A powerful and flexible Regular Expression (Regex) testing tool designed for developers. Test and explore regex patterns across multiple flavors: - Swift (fully c" --- # RegExp — Japan ![RegExp App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/d1/0b/3c/d10b3cb7-f436-0340-8f01-acb8dcc3d1b9/AppIcon-0-0-1x_U007epad-0-1-85-220.png/400x400bb.png) **Developer:** [Loshadki](https://apptail.io/developer/loshadki-Gzlc) **Category:** Developer Tools **Rating:** 5.0/5 (1 ratings) **Price:** Free **Bundle ID:** com.loshadki.RegExp **Store:** Apple App Store **Country:** Japan **Version:** 3.0.0 (released 2026-09-24) **Original Release:** 2020-12-22 **App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id1546140065) **AppTail Page:** [https://apptail.io/app/regexp-Iggk/japan](https://apptail.io/app/regexp-Iggk/japan) ## RegExp Description Available on macOS, iOS and iPadOS A powerful and flexible Regular Expression (Regex) testing tool designed for developers. Test and explore regex patterns across multiple flavors: - Swift (fully configurable) - Objective-C - ECMAScript (JavaScript) - Go (macOS only) - Go (POSIX) (macOS only) Most features are available for free, so you can try the app without any commitment. A one-time purchase unlocks advanced configuration options for power users. Key Features: - Support for multiple regex engines and syntax variations - Advanced Swift regex engine with compatibility options (e.g., Python, Rust-style behavior) - Save and organize your own regex patterns like a personal regex notebook - iCloud sync to keep your regex library backed up and accessible across devices Whether you’re learning regex, testing expressions, or building complex patterns, this app is designed to make your workflow faster and more reliable. ## RegExp Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ec/2d/0e/ec2d0eb1-d9bc-4a87-a9a1-6f7c62b1a2aa/iPhone1.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/75/ae/8a/75ae8a8c-c3ea-edd5-370b-860beb09856a/iPhone2.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/22/ab/b7/22abb799-b33b-b177-fa55-4144488468b8/iPhone3.png/1242x2688.png) ## RegExp Rating Breakdown in Japan - 5 stars: 1 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## RegExp In-App Purchases | Item | Price | |------|-------| | Pro Features | ¥500.00 | ## RegExp Discovered Keywords - regexp ## RegExp Available In - [Japan](https://apptail.io/app/regexp-Iggk/japan) - [Argentina](https://apptail.io/app/regexp-Iggk/argentina) - [Australia](https://apptail.io/app/regexp-Iggk/australia) - [Azerbaijan](https://apptail.io/app/regexp-Iggk/azerbaijan) - [Barbados](https://apptail.io/app/regexp-Iggk/barbados) - [Belgium](https://apptail.io/app/regexp-Iggk/belgium) - [Bulgaria](https://apptail.io/app/regexp-Iggk/bulgaria) - [Brazil](https://apptail.io/app/regexp-Iggk/brazil) - [Belarus](https://apptail.io/app/regexp-Iggk/belarus) - [Canada](https://apptail.io/app/regexp-Iggk/canada) - [Switzerland](https://apptail.io/app/regexp-Iggk/switzerland) - [Chile](https://apptail.io/app/regexp-Iggk/chile) - [China](https://apptail.io/app/regexp-Iggk/china) - [Czechia](https://apptail.io/app/regexp-Iggk/czechia) - [Germany](https://apptail.io/app/regexp-Iggk/germany) - [Denmark](https://apptail.io/app/regexp-Iggk/denmark) - [Dominican Republic](https://apptail.io/app/regexp-Iggk/dominican-republic) - [Algeria](https://apptail.io/app/regexp-Iggk/algeria) - [Ecuador](https://apptail.io/app/regexp-Iggk/ecuador) - [Estonia](https://apptail.io/app/regexp-Iggk/estonia) - [Egypt](https://apptail.io/app/regexp-Iggk/egypt) - [France](https://apptail.io/app/regexp-Iggk/france) - [United Kingdom](https://apptail.io/app/regexp-Iggk/united-kingdom) - [Ghana](https://apptail.io/app/regexp-Iggk/ghana) - [Greece](https://apptail.io/app/regexp-Iggk/greece) - [Hong Kong SAR China](https://apptail.io/app/regexp-Iggk/hong-kong) - [Croatia](https://apptail.io/app/regexp-Iggk/croatia) - [Hungary](https://apptail.io/app/regexp-Iggk/hungary) - [Israel](https://apptail.io/app/regexp-Iggk/israel) - [India](https://apptail.io/app/regexp-Iggk/india) - [Iceland](https://apptail.io/app/regexp-Iggk/iceland) - [Italy](https://apptail.io/app/regexp-Iggk/italy) - [Jamaica](https://apptail.io/app/regexp-Iggk/jamaica) - [Jordan](https://apptail.io/app/regexp-Iggk/jordan) - [Kenya](https://apptail.io/app/regexp-Iggk/kenya) - [Kuwait](https://apptail.io/app/regexp-Iggk/kuwait) - [Lebanon](https://apptail.io/app/regexp-Iggk/lebanon) - [Lithuania](https://apptail.io/app/regexp-Iggk/lithuania) - [North Macedonia](https://apptail.io/app/regexp-Iggk/north-macedonia) - [Mexico](https://apptail.io/app/regexp-Iggk/mexico) - [Netherlands](https://apptail.io/app/regexp-Iggk/netherlands) - [Norway](https://apptail.io/app/regexp-Iggk/norway) - [Nepal](https://apptail.io/app/regexp-Iggk/nepal) - [South Africa](https://apptail.io/app/regexp-Iggk/south-africa) - [Armenia](https://apptail.io/app/regexp-Iggk/armenia) - [Qatar](https://apptail.io/app/regexp-Iggk/qatar) - [Russia](https://apptail.io/app/regexp-Iggk/russia) - [Slovakia](https://apptail.io/app/regexp-Iggk/slovakia) - [Senegal](https://apptail.io/app/regexp-Iggk/senegal) - [Thailand](https://apptail.io/app/regexp-Iggk/thailand) - [Türkiye](https://apptail.io/app/regexp-Iggk/turkey) - [Taiwan](https://apptail.io/app/regexp-Iggk/taiwan) - [Ukraine](https://apptail.io/app/regexp-Iggk/ukraine) - [United States](https://apptail.io/app/regexp-Iggk/united-states) - [Uzbekistan](https://apptail.io/app/regexp-Iggk/uzbekistan) - [Vietnam](https://apptail.io/app/regexp-Iggk/vietnam) - [Philippines](https://apptail.io/app/regexp-Iggk/philippines) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*