Regular Expressions
Debug Patterns Offline
Free · Designed for iPad. Not verified for macOS.
Train with 160 questions, FSRS review, explanations, mock exams, and offline practice.
Regular Expressions is an independent study app for building practical pattern-matching skill through focused questions and review.
Use it if you are learning from scratch, preparing for technical interviews, reviewing syntax, or strengthening day-to-day text processing skills.
- 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts
- FSRS spaced-repetition intervals to review at the right time
- Weak-point heatmap to spot topics that need more work
- Daily challenge for consistent practice
- Mock exams for timed review
- Every question includes an explanation
- Offline practice, no login required
Topics cover matching, character classes, quantifiers, anchors, groups, alternation, escaping, lookarounds, greedy behavior, backtracking, and common mistakes.
Independent study app for Regular Expressions practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.
Privacy: Practice offline, no login required.
Ratings & Reviews
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The developer, Tsuyoshi Sezaki, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Tsuyoshi Sezaki
- Size
- 40 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 QuizFactory