Best Regular Expressions Apps

65+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good regular expressions apps. We benchmark 65+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Regular Expressions Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RegEx ToolRegEx ToolFree1.0★ (1)NoNoAug 2026
2Regular ExpressionsRegular ExpressionsFreeNoNoJun 2026
3RegEx Lab: Regular ExpressionsRegEx Lab: Regular Expressions$0.99 was $1.994.8★ (172)NoNoAug 2026
4Regular Expression TestRegular Expression TestFreeNoNoMay 2026
5Regular Expressions BasicsRegular Expressions BasicsFreeYesNoMay 2026
6Swagbucks: Surveys for MoneySwagbucks: Surveys for MoneyFree4.4★ (148K)YesNoSep 2026
7Regex GoRegex GoFree5.0★ (1)NoNoMay 2026
8RegEspressoRegEspressoFree4.0★ (1)NoNoMay 2026

Top Picks for Regular Expressions

RegEx Tool#1

RegEx Tool by Jakub Sosna

Learn Regular Expressions!
Editor's Choice
🛠️ Developer Tools
1.0(1 ratings)
Free
RegEx Tool screenshot 1
RegEx Tool screenshot 2
RegEx Tool screenshot 3

Learn and master regular expressions with an interactive tutorial and a real-time tester. This app guides users from basic concepts to advanced techniques, making it an accessible tool for skill enhancement.

RegEx Lab: Regular Expressions#3

RegEx Lab: Regular Expressions by sovio

Test regular expressions
Worth Considering
🛠️ Developer Tools
4.8😊(172 ratings)
$0.99
#57in Developer Tools
RegEx Lab: Regular Expressions screenshot 1
RegEx Lab: Regular Expressions screenshot 2
RegEx Lab: Regular Expressions screenshot 3

This app allows users to test and experiment with regular expressions. It offers syntax highlighting, customizable match colors, and a detailed results list. Features include a replace function, dark and light themes, and a helpful cheatsheet for quick reference.

What We Love

  • 👍 Beautifully designed UI
  • 🚀 Simple and easy to use
  • ⚡ Gets regular expression tasks done quickly
  • 💡 Useful offline Regex tool

Room to Improve

  • 🐛 Files are hidden and not found in Files app
  • 🐛 Export option makes a mess
  • 🐛 Mac version has no effort put into it

More Regular Expressions apps to explore

4
Regular Expression Test
Regular Expression Test
Regular Expression Test
by SHIN INABA
Free
🔧 Utilities
(0)
5
Regular Expressions Basics
Regular Expressions Basics
Regular Expressions Basics
by Tsuyoshi Sezaki
Free
📚 Education
(0)
6
Swagbucks: Surveys for Money
Swagbucks: Surveys for Money
Swagbucks: Surveys for Money
Share opinions, get paid cash
Free

Earn cash and gift cards by sharing your opinions through surveys, playing games, and shopping. Discover deals and get cashback on purchases. Redeem rewards for PayPal or various popular gift cards.

Take paid surveysEarn cash and gift cardsMystery shopping
🌟 Lifestyle
(148K)
free with in-app purchases
7
Regex Go
Regex Go
Regex Go
Master Regex with Regex Go!
Free

This app simplifies the creation of complex text patterns using a drag-and-drop interface. It leverages modern Swift frameworks to make regular expressions accessible to users without prior coding experience, enhancing efficiency and the joy of coding.

Drag-and-drop regex constructionUtilizes Swift Regex and RegexBuilderSimplifies complex syntax
🔧 Utilities
(1)
free
8
RegEspresso
RegEspresso
RegEspresso
by Yichen Cao
Free

Test regular expressions with ease. Input your regex pattern and source text to see matches highlighted in real-time. A straightforward tool for developers and anyone working with text patterns.

Real-time regex matchingOn-the-fly highlightingInput regex filter
📊 Productivity
(1)
free
9
RegExpress
RegExpress
RegExpress
Powerful Regex Testing Tool
Free

This app is a comprehensive tool for building, testing, and debugging regular expressions. It offers real-time matching, syntax highlighting, and supports multiple regex flavors. Learn and practice with tutorials, puzzles, and challenges.

Real-time regex matchingSupport for 5 regex flavorsStep-by-step regex debugger
🛠️ Developer Tools
(0)
free with in-app purchases
10
Regex Parse & Replace Dev Tool
Regex Parse & Replace Dev Tool
Regex Parse & Replace Dev Tool
Regular Expression Validator
Free

This tool validates regular expressions, highlights matches in text, and summarizes captured groups. It also allows for text replacement based on defined regex patterns and replacement strings.

Regex validationHighlight regex matchesSummarize captured groups
🛠️ Developer Tools
(1)
free
11
RegEchse
RegEchse
RegEchse
by Artur Hellmann
Free

Test and refine your regular expressions with an innovative highlighted view that clarifies complex patterns. This tool also offers powerful search and replace functionality for efficient text manipulation.

Highlighted regex visualizationRegex testingSearch and replace functionality
📊 Productivity
(0)
free
12
RegEx Verifier
RegEx Verifier
RegEx Verifier
by Alexej Plate
Free
🛠️ Developer Tools
(0)
13
RegEx - Learning
RegEx - Learning
RegEx - Learning
Fastest way to learn!
Free

Master regular expressions with interactive lessons and real-world challenges. This app guides you from beginner to expert, offering hands-on exercises and a live tester to solidify your understanding of complex patterns.

Step-by-step lessonsInteractive exercisesLive regex tester
📚 Education
(14)
free with in-app purchases
14
RegexWord: Learn Regex
RegexWord: Learn Regex
RegexWord: Learn Regex
Learn Regex with Crosswords
Free
📚 Education
(0)
15
Regex Playground
Regex Playground
Regex Playground
Test, Learn & Master in Regex
Free
🛠️ Developer Tools
(0)
16
RegEx Knife
RegEx Knife
RegEx Knife
by Mark Alldritt
Free

This tool simplifies working with regular expressions by allowing users to highlight and edit capture groups, immediately viewing the results. It also facilitates experimentation with regex substitutions, offering a straightforward approach to complex pattern matching.

Highlight capture groupsEdit capture groupsSee immediate results
🔧 Utilities
(25)
paid
17
RegexVisualGenerator
RegexVisualGenerator
RegexVisualGenerator
RegexVisualGenerator
Free
🔧 Utilities
(0)
18
RegexMate
RegexMate
RegexMate
Master Regular Expressions
Free
🛠️ Developer Tools
(0)
19
RegExp
RegExp
RegExp
Powerful Regex Testing Tool
Free

This tool allows developers to test and explore regular expression patterns across various programming language syntaxes. It offers advanced configuration options and synchronization across devices, making it ideal for learning and building complex patterns.

Multiple regex engine supportAdvanced Swift regex engineSave and organize regex patterns
🛠️ Developer Tools
(0)
free with in-app purchases
20
Flutter RegExplorer
Flutter RegExplorer
Flutter RegExplorer
Realtime regex evaluator
Free
🛠️ Developer Tools
(0)

FAQ about Regular Expressions

What are the best regular expressions apps for iPhone?
RegEx Tool tops our regular expressions apps ranking as of August 2026, with a 1.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top regular expressions apps we rank are free to download, including RegEx Tool and Regular Expressions.
RegEx Tool has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 65+ regular expressions apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
RegEx Tool is a mobile application designed to help users learn and master regular expressions through interactive tutorials and a built-in testing environment.
RegEx Tool is supported on iPhone, iPad, and iPod devices.

Related searches