Skip to content
Back to the index

RegexEditor.dev

regextester.devTesting & QA

PulseGate's liveness check found it on 4 Oct 2026; it has been in the index since 4 Oct 2026. How this is checked

RegexEditor.dev is a free browser-based editor for creating, testing, debugging, and validating regular expressions. It supports JavaScript, PCRE2, Python, Java, .NET, Go, PCRE, Rust, and a formal computer-science theory flavor, with matching, replacement, sharing, and reference tools.

Inferred · not functionally tested

FreeWeb
RegexEditor.dev preview
Visit regextester.dev

Overview

6 features

Purpose: Testing and debugging regular expressions across multiple syntax flavors without installing software.

Inferred · not functionally tested

Audience: developers, QA testers, and computer science students

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: regextester.dev. These links do not verify the individual claims.

In the Testing & QA space, RegexEditor.dev takes a focused approach. Inferred · not functionally tested: It focuses on testing and debugging regular expressions across multiple syntax flavors without installing software. Inferred · not functionally tested: It is built as a consumer product for developers, QA testers, and computer science students. Basis unknown · not verified: RegexEditor.dev costs nothing to use. Basis unknown · not verified: RegexEditor.dev is available on the web.

Behind RegexEditor.dev is RegexEditor.dev. Inferred · not functionally tested: Key capabilities include live matching, regex debugging, and multiple flavors.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Live matching
  • Regex debugging
  • Multiple flavors
  • Test strings
  • Replace mode
  • Match results

Topics: Inferred · not functionally tested

Tags
regex-debuggerregular-expression-testingautomata-theorypattern-validation

JSON profile · Text profile · Access guide

Built with & integrations

Framework
Next.js
Hosting
Cloudflare
Runs on
Browser
Detected from
Next.js
/_next/static/ in the HTML · __next_f in the HTML
Cloudflare
cf-ray header · cf-cache-status header

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tier
Legal
Privacy Policy Terms of Service

Indexing history

3

What PulseGate has recorded for this listing

  1. Indexed4 Oct · 12:41 UTC
    Testing automata-theory exercises in the browser: a regex flavor for CS coursework seen via DEV.to articles
    Source: DEV.to articles · Open
  2. Indexed4 Oct · 12:09 UTC
    Benchmarking regex patterns properly: P95/P99, equivalence checks, real engines seen via DEV.to articles
    Source: DEV.to articles · Open
  3. Indexed4 Oct · 12:09 UTC
    I built a regex debugger that shows every backtrack (flame graph included) seen via DEV.to articles
    Source: DEV.to articles · Open

Frequently asked questions about RegexEditor.dev

What does RegexEditor.dev do?
Inferred · not functionally tested: RegexEditor.dev focuses on testing and debugging regular expressions across multiple syntax flavors without installing software. It is catalogued under Testing & QA on PulseGate.
Who should use RegexEditor.dev?
Inferred · not functionally tested: RegexEditor.dev is a consumer product built for developers, QA testers, and computer science students.
Is RegexEditor.dev free?
Basis unknown · not verified: Yes — RegexEditor.dev is free to use.
What platforms does RegexEditor.dev run on?
Basis unknown · not verified: RegexEditor.dev runs on the web.
Is RegexEditor.dev still active?
PulseGate's liveness check found it on 4 Oct 2026.
What projects are similar to RegexEditor.dev?
Similar projects tracked by PulseGate include RegEx Tester, Regex Tester, and Regex Tester & Explainer.RegEx TesterRegex TesterRegex Tester & Explainer
Who develops RegexEditor.dev?
RegexEditor.dev is developed by RegexEditor.dev.

Similar projects

Closest matches by what these projects do