What powers regular-expressions.info?

Last seen Jun 2026 · 3 technologies across 3 categories

Miscellaneous

RSS
since Dec 2022

Security

HSTS
since Sep 2022

Web servers

Apache HTTP Server
since Jun 2018

Top search keywords

KeywordPositionEst. monthly visits
regular expression #7 1,300
regex #9 740
regression expression #9 740
regular expressions #3 480
negative lookbehind regex #1 400
editpad #4 360
regex negative lookahead #2 210
negative lookahead #1 120
regex tutorial #2 120
regular expression tutorial #2 120
regular expression look ahead #2 110
regexp #89 100
regexp #47 100
regex #63 100
regular expression #85 100
negative lookbehind #1 79
regex capture group #4 66
regexbuddy #2 52
regex character classes #2 52
regex backref #1 52
positive lookahead regex #2 52
regex lookahead #3 43
alternation #9 41
regular expression end of line #5 35
regular expression dot #2 34

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

  • 79% desktop
  • 21% phone
  • United Kingdom
  • United States
  • India
  • Germany

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

7.85 / 10 · ranked #9,864 of all domains

1,337 referring domains · OpenPageRank

Search traffic

7,400 est. monthly organic visits (US)

1,809 keywords in Google's top 30

Core Web Vitals

LCP1.2 s
INP25 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English
  • Weight: 0.1 MB · 6 requests

Homepage as crawled by the HTTP Archive, Jul 2026.

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