RegExr

RegExr

Create & Test Regular Expressions.

What is RegExr?
RegExr is a powerful Chrome extension that facilitates creation and testing of regular expressions. It offers immediate results with syntax highlighting to accurately visualize the expressions. It also provides contextual help, a video tutorial, and a reference with a library loaded with examples. Users can save and share expressions and even search for, or rate community patterns. The extension supports Undo and Redo with shortcut keys, making it an advanced tool for Regular Expressions.
Stats
Users: 2,000+
Rating: 4.80 (25)
Version: 2.0 (Last updated: 2014-09-17)
Creation date: 2014-09-17
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Size: 4.46K
URLs: Website
Stats date:

Chrome-Stats Rank

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Not available on Edge
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Summary

Regular expression tester with syntax highlighting, contextual help, video tutorial, reference, and searchable community patterns.

Results update in real-time as you type. Roll over a match or expression for details. Save & share expressions with others. Explore the Library for help & examples. Undo & Redo with Cmd-Z / Y. Search for & rate Community patterns.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Useful for working with and referencing Regular Expressions
  • Beautiful UI with instant highlighting & syntax help
  • Comes with Help, References, Examples, and Community submitted/voted on Expressions
  • Realtime syntax highlighting and tooltips
  • Undo/redo feature
Cons
  • Doesn't work offline
  • Not a standalone app, requires internet connection to use
  • Not the first result on Web store when searching for 'regex'
Most mentioned
  • Useful
  • Beautiful UI
  • Syntax highlighting
  • Tooltips
Recent reviews
I love RegExr. It is the best app for regex I have ever found. However, this app is quite useless and it doesn't work offline.
by Jonathan Gregson Jonathan Gregson, 2018-11-09

It's useful. However, it is not an app. It's a hyperlink. I have to connect to internet to use the function.
by J K J K, 2017-10-07

Very great App! so useful
by Emmanuel Kimario Emmanuel Kimario, 2017-09-06
View all user reviews
Safety
Risk impact

RegExr is safe to use. It does not request any sensitive permissions.

Risk likelihood

RegExr has earned a fairly good reputation and likely can be trusted.

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Promo video
Screenshots
Promo images
RegExr small promo image
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