regular-expressions.info
Regular-Expressions.info - Regex Tutorial, Examples and Reference - Regexp Patterns
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Excellent
Summary
At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions. This website uses Apache hosted on PAIR-NETWORKS - pair Networks, US. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.
- United States
- Hosted on PAIR-NETWORKS - pair Networks, US
Top issues to fix
4 issues found
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
SEO
3 issue(s) found
Performance
492 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.
Meta tags
- Title
- Regular-Expressions.info - Regex Tutorial, Examples and Reference - Regexp Patterns
- Description
- At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.
- Canonical
- https://www.regular-expressions.info/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- PAIR-NETWORKS - pair Networks, US
- CDN provider
- —
- IP address
- 216.92.20.37
- ASN
- AS7859 (PAIR-NETWORKS - pair Networks, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- regular-expressions.info
- Valid from
- Jul 1, 2026
- Valid to
- Sep 29, 2026
- Days until expiry
- 65
- SAN domains
- regular-expressions.info, www.regular-expressions.info
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 2
Links
19 internal · 2 external · 0 broken
Images
2 total · 0 missing alt
Scripts / Styles
2 scripts · 1 stylesheets
JS / CSS size
1.7 KB · 17.3 KB
Page size
13.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Found
- URLs in sitemap
- 177
SEO issues
- Title longer than 60 characters
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://regular-expressions.info
- Final URL
- https://www.regular-expressions.info/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 492 ms
- HTML size
- 13.0 KB
- Redirect chain
- https://regular-expressions.info → https://www.regular-expressions.info/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does regular-expressions.info use?
- regular-expressions.info is built with Apache.
- Is regular-expressions.info secure (HTTPS)?
- Yes. regular-expressions.info uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 29, 2026.
- Who hosts regular-expressions.info?
- regular-expressions.info is hosted on PAIR-NETWORKS - pair Networks, US.
- What is regular-expressions.info's SEO score?
- regular-expressions.info scored 80/100 for SEO in the latest analysis (great).
- What is regular-expressions.info's overall website score?
- regular-expressions.info has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card