RegexStudio
Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed
About
RegexStudio is ranked #5 of 23 in regular expression testers on Inferse. It runs on Web.
Compared on regular expression testers
- Free plan
- Yesregexstudio.com
- Regex flavors
- JavaScript, PCRE, Python, Java, Go, .NET, Rust, Rubyregexstudio.com
- Pattern explanation
- Yesregexstudio.com
- Step-through debugger
- Yesregexstudio.com
- Code generation
- Yesregexstudio.com
- Available platforms
- webregexstudio.com
Facts
- Purpose
- RegexStudio describes itself as a tool to test and debug JavaScript and PCRE2 regular expressions locally.regexstudio.com · 3 Oct 2026
- Live matches
- The homepage shows live match results for a regular expression and test string.regexstudio.com · 3 Oct 2026
- Railroad diagrams
- The homepage includes a railroad diagram that users can click to edit.regexstudio.com · 3 Oct 2026
- Debugger
- The homepage includes a debugger with step-by-step regex execution details.regexstudio.com · 3 Oct 2026
- Other tools
- The homepage lists Matches, Explanation, Tests, Replace, Code Gen, and AST views.regexstudio.com · 3 Oct 2026
- JavaScript engine
- The homepage identifies JavaScript as a browser-native execution engine and shows the g, i, m, s, u, d, and v flags.regexstudio.com · 3 Oct 2026
- Tutorials
- The interactive tutorial covers regex basics, quantifiers, groups, lookaround, and practical patterns including email, URL, logs, Markdown links, and CSV.regexstudio.com · 3 Oct 2026
- Practice mode
- Tutorial steps can be opened in practice mode in the editor.regexstudio.com · 3 Oct 2026
- Backtracking
- A tutorial explains that nested quantifiers such as (a+)+b can backtrack exponentially in the worst case.regexstudio.com · 3 Oct 2026
- Compatibility guidance
- A tutorial notes that regex syntax support can differ between JavaScript, PCRE2, Python, Java, and Go.regexstudio.com · 3 Oct 2026
- Privacy and security
- The opened maker pages do not state a security certification, compliance claim, or data-handling policy.regexstudio.com · 3 Oct 2026
- Support
- The opened maker pages do not state a support channel or service level.regexstudio.com · 3 Oct 2026
Company
- Headquarters
- Peking, Chinaregexstudio.com · 23 Sept 2026
Best RegexStudio alternatives
See all 12
9.0 regex101 €4.99/mo first paid tier Free plan 
7.4 RegexPilot Free free plan, no paid price published Free plan 
7.3 RegexCraft Free free plan, no paid price published Free plan 
7.3 Debuggex $5/mo first paid tier Free plan 
6.7 The Regex Coach Free free plan, no paid price published Free plan 
6.6 AppTools Regex Tester See plans price on the maker's page 
Where it ranks on Inferse
Sources
- regexstudio.com· checked 3 Oct 2026
- regexstudio.com/learn· checked 3 Oct 2026
- regexstudio.com/learn/lookaround-lookbehind· checked 3 Oct 2026