Tech riderRev. 5 Oct 2026
RegexRegex
- 1Runs onWeb
- 2CostsFree plan
- 3Regex flavorsJavaScript RegExp, Python re, PHP PCRE2, Java Pattern/Matcher, .NET Regex, Perl
- 4Pattern explanationYes
- 5Code generationYes
- 6Saved patternsYes
- 7Available platformsweb
7 lines stated Written from the maker's own pages: regexregex.com
Overview
RegexRegex is ranked #9 of 23 in regular expression testers on Specifiction. It runs on Web. There is a free plan.
RegexRegex plans and pricing
All plansFree online regex tester Free JavaScript checks run in the browser · Python, PHP, Java, .NET, and Perl checks require an explicit online run regexregex.com · 5 Oct 2026
Compared on regular expression testers
- Free plan
- Yesregexregex.com
- Regex flavors
- JavaScript RegExp, Python re, PHP PCRE2, Java Pattern/Matcher, .NET Regex, Perlregexregex.com
- Pattern explanation
- Yesregexregex.com
- Code generation
- Yesregexregex.com
- Saved patterns
- Yesregexregex.com
- Available platforms
- webregexregex.com
Facts
- Purpose
- RegexRegex is a browser-based tool for testing JavaScript regular expressions and inspecting matches, captures, replacement previews, and errors locally.regexregex.com · 4 Oct 2026
- Free access
- The maker describes the online regex tester as free.regexregex.com · 4 Oct 2026
- Regex builder
- The builder lets users compose basic JavaScript patterns from guided controls and inspect and test the generated pattern.regexregex.com · 4 Oct 2026
- Supported engines
- The checker supports JavaScript locally and offers Python, PHP, Java, .NET, and Perl runtimes when available after the user explicitly presses Run.regexregex.com · 4 Oct 2026
- Replacement
- The tester previews replacements and supports numbered and named capture references such as $1 and $<name>.regexregex.com · 4 Oct 2026
- Cheat sheet
- The checker includes a searchable cheat sheet with 25 regex syntax and flag items.regexregex.com · 4 Oct 2026
- Local test cases
- Users can save up to 50 test cases in the browser, with a maximum test input length of 20,000 characters.regexregex.com · 4 Oct 2026
- Privacy
- The privacy policy says the native execution service does not record or persist input submitted for native runs.regexregex.com · 4 Oct 2026
- Share links
- Share links store selected pattern, engine, flags, and operation in the URL fragment; test and replacement text are excluded unless the user opts in.regexregex.com · 4 Oct 2026
- Analytics
- The privacy policy says Cloudflare Web Analytics may collect page and device information, and Google Analytics 4 may use analytics cookies if enabled.regexregex.com · 4 Oct 2026
- Offline use
- A cached JavaScript checker may work offline, while native engine checks require the online execution service.regexregex.com · 4 Oct 2026
- Limits
- The maker says the builder does not cover every regex syntax feature and does not claim arbitrary reverse parsing or automatic conversion into an equivalent visual tree.regexregex.com · 4 Oct 2026
- Support
- Questions and corrections can be sent to [email protected].regexregex.com · 4 Oct 2026
- Integrations
- The opened maker pages describe no external integrations.regexregex.com · 4 Oct 2026
- Regex features
- The checker supports testing matches and captures, previewing replacements, and viewing pattern explanations and errors.regexregex.com · 5 Oct 2026
- Engines
- JavaScript runs locally; optional Python, PHP, Java, .NET, and Perl runtimes can be used after explicitly pressing Run.regexregex.com · 5 Oct 2026
- Builder
- A guided builder creates basic JavaScript RegExp patterns from controls for character types, quantities, groups, boundaries, and flags.regexregex.com · 5 Oct 2026
- Data handling
- The execution service does not record or persist input submitted for optional native engine runs.regexregex.com · 5 Oct 2026
- Offline
- A cached JavaScript checker may work offline, while Python, PHP, Java, .NET, and Perl checks require the online execution service.regexregex.com · 5 Oct 2026
- Language snippets
- Python and PHP reference snippets are provided, but only JavaScript RegExp executes unless a native engine is explicitly run.regexregex.com · 5 Oct 2026
Best RegexRegex 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
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Sources
- regexregex.com/en/about/· checked 4 Oct 2026
- regexregex.com/en/· checked 4 Oct 2026
- regexregex.com/en/regex-builder/· checked 4 Oct 2026
- regexregex.com/en/privacy/· checked 4 Oct 2026
- regexregex.com/en/offline/· checked 4 Oct 2026