What powers regexr.com?
Last seen Jun 2026 · 13 technologies across 9 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| regex tester | #2 | 2,700 |
| regular expression | #5 | 2,300 |
| regular expression tester | #4 | 2,200 |
| regexp javascript | #3 | 530 |
| regex generator | #3 | 530 |
| regex checker | #2 | 350 |
| regex builder | #3 | 260 |
| regular expression builder | #3 | 260 |
| regex for javascript | #6 | 180 |
| regex calculator | #2 | 160 |
| regex test | #2 | 160 |
| regex expression | #2 | 110 |
| regular expression generator | #8 | 110 |
| regular expression calculator | #3 | 97 |
| interpret regex | #1 | 97 |
| regular expression decoder | #1 | 89 |
| js regular expression | #7 | 85 |
| regular expression for email | #3 | 73 |
| email regex | #3 | 73 |
| regular expression editor | #2 | 72 |
| regular expression tool | #2 | 63 |
| regex online builder | #3 | 56 |
| online regex tester | #3 | 56 |
| regex pattern tester | #2 | 52 |
| email id regex | #2 | 52 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 93% desktop
- 7% phone
United States
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.51 / 10 · ranked #17,108 of all domains
1,080 referring domains · OpenPageRank
Search traffic
14,300 est. monthly organic visits (US)
3,898 keywords in Google's top 30
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Cloudflare
- Weight: 0.4 MB · 24 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| regexr.com | 10 |
| www.regexr.com | 5 |
Full technology history →
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Recent changes
- dropped AppNexus Sep 2025