Tech riderRev. 5 Oct 2026
- 1Runs onWeb
- 2CostsFree plan
- 3Regex flavorsJavaScript, PHP/PCRE
- 4Pattern explanationYes
- 5Saved patternsYes
- 6Available platformsweb
6 lines stated Written from the maker's own pages: regexr.com
Overview
RegExr is ranked #13 of 23 in regular expression testers on Specifiction. It runs on Web. There is a free plan.
RegExr plans and pricing
All plansCompared on regular expression testers
- Free plan
- Yesregexr.com
- Regex flavors
- JavaScript, PHP/PCREregexr.com
- Pattern explanation
- Yesregexr.com
- Saved patterns
- Yesregexr.com
- Available platforms
- webregexr.com
Facts
- Purpose
- RegExr is an online tool to learn, build, and test regular expressions.regexr.com · 5 Oct 2026
- Live results
- Results update in real time as you type.regexr.com · 5 Oct 2026
- Match details
- Rolling over a match or expression displays details.regexr.com · 5 Oct 2026
- Tests
- Tests mode lets users build a suite of tests that an expression should or should not match.regexr.com · 5 Oct 2026
- Save and share
- Users can save and share expressions with others and the Community.regexr.com · 5 Oct 2026
- Tools
- The Replace and List tools output custom results, and Details lists capture groups.regexr.com · 5 Oct 2026
- Explain
- The Explain tool describes an expression in plain English.regexr.com · 5 Oct 2026
- Learning resources
- The site includes a cheatsheet, full reference, help, and examples.regexr.com · 5 Oct 2026
- Community
- Users can search for and rate Community Patterns.regexr.com · 5 Oct 2026
- Account storage
- Signing in lets users persist favorites and patterns, which are shown in My Patterns.regexr.com · 5 Oct 2026
- Sharing limit
- The site says saving creates a shareable public link and that a shared Community copy cannot be edited or deleted.regexr.com · 5 Oct 2026
- Creator
- The project README says RegExr was created by Grant Skinner and gskinner.com.github.com · 5 Oct 2026
- License
- The project README says this version of RegExr is licensed under GPL v3.github.com · 5 Oct 2026
- Support
- The project README directs users to GitHub for issues and feature requests and Stack Overflow for regular-expression questions.github.com · 5 Oct 2026
Best RegExr alternatives
See all 20 All accessCh 01 regex101 Free planFree trialAPI from €4.99/mo7.4 All accessCh 02 RegexPilot Free planFree trialBrowser Free to start7.4 All accessCh 03 RegexCraft Free planLinuxMac Free to start7.2 All accessCh 04 Debuggex Free planWeb from $5/mo6.9 All accessCh 05 The Regex Coach Free planLinuxWindows Free to start6.9 All accessCh 06 RegEx Visualizer & Explainer Free planWeb Free to start6.7
Where it ranks on Specifiction
Is RegExr yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- regexr.com· checked 5 Oct 2026
- github.com/gskinner/regexr· checked 5 Oct 2026