technology software

documentation technical

education learning

social media network

government public service

English

_ga_FS551ZDYMX

prefs

session

cf_clearance

The domain name 'regexr.com' uses the commercial generic top-level domain (.com) with no subdomain. The core label 'regexr' covers 6 characters holding two vowels versus four consonants. Segmentation suggests two words: regex, r. The median word length lands at three characters. No strong language cues emerged from the frequency lists.

html/b5/ed/b5ed7463-babd-4ae8-a51f-60a15f0fc911.html.gz

require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes

script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:138:0

71464889c24e6dbd90dd7be01e4f01ac92293e3fbd8c1016af30e3a4e015dda7

4bf54453b994ff12ad083eae13f3606300c7cc7b35feb6dc9f7299b11a7301ef

aca73fc574e12740e3368860b88a284d01b643456f3ed6a06322ecb47750563f

28007d71f1ace24a353f44ff5ee36a9495940cd6f65a2cc1db07ec8a1d464ea5

9ed6dec64e63f9cff41ef068f034b6ed71df209902816054912ba1cab0a231c8

bc2a8ebdbc919b7ff84652240db81a33e887de6a36c3f28ea84250433f3bfd6c

da4582a74da5352dd60946cdb15a4636b815fd6318c81813cb89b1d3f0440878

05c9fd6da1459edc38baf4915d827f1c280d0e0132475a6210fa0baa831b33c0

750a7b8853226a6233b1710092589f56c32b09449450ebc725cb783c842c52b0

1448ac1dc3a9b70ec685ec28b5c4e38f99e7686527734ed6f1696c3e01292d4e

AI agents are the new front-end. Are you ready? Remove bottlenecks and ship faster with Auth0.

title

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.

description

width=device-width,initial-scale=1,user-scalable=0

viewport

apple-mobile-web-app-title

application-name

msapplication-TileColor

msapplication-config

theme-color

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).

twitter:card

twitter:site:id

twitter:title

twitter:description

twitter:image

twitter:url

HSTS header missing - vulnerable to protocol downgrade attacks

CSP header missing - vulnerable to XSS attacks

NameCheap, Inc.

REGEXR.COM

Abuse

Google LLC

GOOGLE

 window.dataLayer = window.dataLayer || [];
		function gtag(){dataLayer.push(arguments);}
		gtag('js', new Date());

		gtag('config', 'G-FS551ZDYMX'); 

 onmessage=function(e){postMessage("onload");var t,s,n,a=e.data,i=a.text,d=a.tests,l=a.mode,r=new RegExp(a.pattern,a.flags),o=[];if("tests"===l)for(var g=0,x=d.length;g<x;g++){let e=d[g];i=e.text,r.lastIndex=0,t=r.exec(i),o[g]=t?{i:t.index,l:t[0].length,id:e.id}:{id:e.id}}else for(;t=r.exec(i);){s===r.lastIndex&&(n={id:"infinite",warning:!0},++r.lastIndex),s=r.lastIndex;var f=t.reduce(function(e,t,s){return(0===s||e.push({s:t}))&&e},[]);if(o.push({i:t.index,l:t[0].length,groups:f}),!r.global)break}postMessage({error:n,matches:o,mode:l})}; 

regexr.init(null,{"userId":105137372,"authenticate":false,"username":null,"author":null,"type":"temporary"},{"PCREVersion":"10.44 2024-06-07","PHPVersion":"8.4.20"});

Requests	IP Address	Location	AS Autonomous System
7	188.114.97.3	United States	AS13335Cloudflare, Inc.
5	104.16.79.73	United States	AS13335Cloudflare, Inc.
5	142.251.13.97	United States	AS15169Google LLC
5	142.251.14.95	United States	AS15169Google LLC
22	4	-	-

Security Scan Report: regexr.com

Summary

AI Security Verdict

Safe Website

Safety Factors

Details

Screenshot

Page Load Overview

Language Analysis

Primary Language

Detection Details

Website Classification

Primary Category

All Detected Categories

Detected Features

Domain & IP Information

Detected Technologies6

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

ssdeep (Context Triggered Piecewise Hashing)

sdhash (Similarity Digest Hashing)

Image Hashes

Perceptual Hashes

Other Hashes

Scan History