RegExp

RegExp icon

RegExp

Loshadki, LLC

AppRecs review analysis

AppRecs rating . Trustworthiness 71 out of 100. Review manipulation risk 28 out of 100. Based on a review sample analyzed.

AppRecs Rating

Ratings breakdown

5 star

67%

4 star

33%

3 star

0%

2 star

0%

1 star

0%

What to know

Low review manipulation risk

28% review manipulation risk

Credible reviews

71% trustworthiness score from analyzed reviews

High user satisfaction

67% of sampled ratings are 5 stars

About RegExp

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.

Tap to Rate:

Reviews for RegExp

labelitlauren

Best option for me

Clean, easy to read, good multiline support/editor, and lets me save multiple expressions. I tried 5 regex apps and this one was my favorite.

FrankTSays

SO CLOSE TO PERFECT

This is the best regex app that I've used on MacOS/iOS/iPadOS. I've tried almost every single one. The iCloud sync and folder organization is terrific and better than any others. "Patterns" is wonderful but does none of this and you can't even open a new window without losing your old pattern, let alone creating a library of snippets to use. "RegEx Lab" saves them locally but does allow you to save multiples and import/export - I just wish it could save via iCloud. That being said, there are a couple features that I consider almost a requirement that "RegExp" does not have: 1) Highlighting of the matches on your "test text" - it shows the matches in a window pane on the right along with line numbers, but it does not have line numbers on the test text pane so often it's difficult to determine what pieces from your text is actually matching. 2) Live updating - You have to click "Run" or use the shortcut "cmd r" to run the test. This can be a bit tedious, especially when paired up with the fact that there's no highlighting of the matches. Developer: if you could implment those two features, I'd sing RegExp's praises to every colleague, student and heck, random person that I know Note: For those who say you can't open two regular expressions at the same time, well you can. It's just a bit wonky. Click 'View' > "Show All Tabs" and it shows a tab preview like Safari, then click the " " and BAM a new tab with a new regular expression. It works perfectly, albeit not very user friendly. If the developer could just add a new tab shortcut or toolbar button, that would be terrific, but the main thing is that it works! EDIT: IT DOES HAVE A " " next to the tab, but you still need to click "Show Tab Bar" to see the tab bar and then the at the right of the single tab. YAY

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