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Regex Tester

Chrome extension by t.mizuno27 · Productivity · Developer

  • Trader

A Chrome extension in Productivity · Developer with 4 users, barely installed. Audience over the last 30 days: -2.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
4
Rating
not rated yet
Users, last 30 days
-2
Version
1.1.3
Updated in the store
2026-05-13
Published
2026-03-17
Manifest
V3
Browser access
1 permission

How it has moved

Users
-2 since 29.09
4-7 · 9 readings
  1. 2026-10-085
  2. 2026-10-097
  3. 2026-10-106
  4. 2026-10-187
  5. 2026-10-196
  6. 2026-10-217
  7. 2026-10-225
  8. 2026-10-245
  9. 2026-10-284
Users
-2 since 31.08
4-7 · 22 readings
  1. 2026-08-316
  2. 2026-09-027
  3. 2026-09-056
  4. 2026-09-067
  5. 2026-09-076
  6. 2026-09-087
  7. 2026-09-096
  8. 2026-09-157
  9. 2026-09-166
  10. 2026-09-207
  11. 2026-09-226
  12. 2026-09-267
  13. 2026-09-286
  14. 2026-10-085
  15. 2026-10-097
  16. 2026-10-106
  17. 2026-10-187
  18. 2026-10-196
  19. 2026-10-217
  20. 2026-10-225
  21. 2026-10-245
  22. 2026-10-284

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

t.mizuno27 publishes 13 listings we track, 97 users between them.

  1. Domain WHOIS Lookup t.mizuno27 · Productivity · Developer · published 2026-03-20 25 users
  2. Page Speed Checker t.mizuno27 · Productivity · Developer · published 2026-03-24 21 users
  3. SEO Inspector - Instant SEO Analysis t.mizuno27 · Productivity · Developer · published 2026-03-21 8 users
Show 5 more from this publisher
  1. Quick Currency Converter t.mizuno27 · Productivity · Tools · published 2026-03-24 8 users
  2. Quick Notes - Floating Notepad t.mizuno27 · Productivity · Developer · published 2026-03-31 6 users
  3. Hash & Encode Tool t.mizuno27 · Productivity · Developer · published 2026-04-05 5 users
  4. Color Picker & Converter t.mizuno27 · Productivity · Developer · published 2026-03-19 5 users
  5. AI Text Rewriter t.mizuno27 · Productivity · Tools · published 2026-03-17 4 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Regex Tester Describes nearly the same job, smaller audience 3 users
  2. Regular Expression Tester Describes nearly the same job, smaller audience 94 users ★ 4.8
  3. Regex Tester & Builder Describes nearly the same job, smaller audience 4 users
  4. Regex Tester Describes nearly the same job, smaller audience 10 users ★ 5.0
  5. Regex Tester Describes nearly the same job, smaller audience 6 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/jneingcbjklnlmannolphbcelapohphg/badge.svg)](https://extops.dev/extensions/jneingcbjklnlmannolphbcelapohphg)

HTML

<a href="https://extops.dev/extensions/jneingcbjklnlmannolphbcelapohphg"><img src="https://extops.dev/extensions/jneingcbjklnlmannolphbcelapohphg/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-28. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built