Regexr.com RegExr: Learn, Build, & Test RegEx

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

Regexr.com Overview

out of 100, while optimization scored 100 out of 100

Mobile-friendliness: The website is mobile-friendly and responsive across all devices

Accessibility: The website appears to be accessible and meets most accessibility standards

Regexr.com is a website designed to provide users with tools and resources to learn, build, and test Regular Expressions (RegEx). The structure of the website is designed to be user-friendly, with a clean and organized interface that makes it easy to navigate and use the various tools available.

The website's domain name is .COM, which is a top-level domain used for commercial websites. The SSL certificate used on the website is issued by Let's Encrypt, which provides a secure and encrypted connection between users and the website. Hosting of the website is done by Cloudflare, Inc., a reputable web hosting company based in the United States.

The website`s main page features a search bar, where users can enter their RegEx code to test it. Under the search bar, there is a menu bar that provides different options to the website`s users. These options include a cheat sheet, reference, help, and community. This menu bar is clearly labeled and easy to use, allowing users to navigate the website with ease.

The website is designed to be family-friendly, with no adult content or language, making it suitable for all age groups. It provides useful tutorials and detailed information on RegEx constructions, without any controversial or offensive content, and users can also search through the website's community patterns.

The website's loading time is good with a PageSpeed Insights Speed score of 73 out of 100, while optimization scored 100 out of 100. The website's mobile-friendliness is also very good, with a responsive design that makes it easy to use on different devices. The website appears to be accessible and meets most accessibility standards.

In conclusion, the structure of Regexr.com is well designed, with user-friendliness taken into consideration. With its clean interface, fast loading times, and comprehensive content, the website is a great resource for anyone working with RegEx expressions and wanting to learn more about them.

Regexr.com Rank Summary

Global Rank

32,867

Average Load Time

2.11sec

Links In Count

817

Website Value

$367,920

Audience Geography. Where are regexr.com visitors located?

Country	Visitors
United States US	31.6%
India IN	7.4%
Iran IR	7.3%
United Kingdom GB	5.2%
China CN	4.9%
Korea KR	3.6%
Germany DE	2.6%
Brazil BR	2.5%
Poland PL	2.4%
Other	32.4%

Country	Pageviews
United States US	31.5%
India IN	7.6%
Iran IR	7.5%
United Kingdom GB	5.1%
China CN	4.7%
Korea KR	3.5%
Germany DE	2.5%
Poland PL	2.4%
Brazil BR	2.4%
Other	32.6%

Country	Rank
Iran IR	9684
Belgium BE	10429
Israel IL	12298
Austria AT	13177
Ireland IE	14609
Korea KR	14696
Poland PL	15612
Singapore SG	16194
Viet Nam VN	16537
Australia AU	16785
United States US	17237
Norway NO	17612

Where do visitors go on regexr.com?

Subdomain	Pageviews
regexr.com	100%

Subdomain	Pageviews per User
regexr.com	1

Subdomain	Reach
regexr.com	100%

How popular is regexr.com?

Period	Global Rank	Global Rank Delta
past 3 months	32867	-86
past month	34929	1828
past week	39317	3906
yesterday	34905	-9643

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	64020	1207	94	-1.39%	1.04	1%
30	68180	3720	88	-6.688%	1	-1.9%
7	76821	7018	77	-11.11%	1	-0.952%
1	74888	-7912	87	20%	1	-7.407%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	24109	-310	336	-2.35%
30	25635	1387	31	-5.665%
7	29054	2879	28	-10.02%
1	25289	-9192	33	30%

Regexr.com Website Safety

Overview

Last Updated: 12/26/2024

Overall result - regexr.com is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/21/2024

regexr.com is safe.

Norton ConnectSafe evaluates regexr.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/08/2019

regexr.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

regexr.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/22/2021

regexr.com is safe.

McAfee assesses regexr.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze regexr.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

regexr.com child safety is very good.

The WOT calculates reputation of the regexr.com. This reputation system receives ratings from users and information from third-party sources, assesses the regexr.com for safety features and confirms, whether regexr.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	regexr.com
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	09/07/2024
Expiration	12/06/2024
Signed	Certificate is not self signed
Additional Domains	regexr.com *.regexr.com

Regexr.com Rank History

Alexa Rank shows how popular regexr.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If regexr.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to regexr.com and pageviews on regexr.com over the past 3 months.

Regexr.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/16/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Regexr.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: REGEXR.COM
Registry Domain ID: 1435359859_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2022-11-14T17:40:32Z
Creation Date: 2008-03-27T16:28:00Z
Registry Expiry Date: 2026-03-27T16:28:00Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DAKOTA.NS.CLOUDFLARE.COM
Name Server: KARSYN.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-11T01:29:48Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Regexr.com HTML Check

HTML Validation Tool

Errors

Bad value “#native_link#” for attribute “href” on element “a”: Illegal character in fragment: “#” is not allowed.

Element “style” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)

CSS: “background”: Lexical error at line 2, column 110. Encountered: " " (32), after : "#".

CSS: “background”: Parse Error.

CSS: “color”: Lexical error at line 6, column 32. Encountered: " " (32), after : "#".

CSS: “color”: Parse Error.

CSS: “color”: Lexical error at line 10, column 38. Encountered: " " (32), after : "#".

Bad value “#native_logo#” for attribute “src” on element “img”: Illegal character in fragment: “#” is not allowed.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Duplicate ID “cheatsheet”.

Duplicate ID “community”.

Duplicate ID “share”.

Warnings

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

The first occurrence of ID “cheatsheet” was here.

The first occurrence of ID “community” was here.

The first occurrence of ID “share” was here.

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

NON-DOCUMENT-ERROR

Unexpected end of ZLIB input stream

Regexr.com Desktop Performance

Last tested: 08/24/2016

Desktop Speed

89%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Desktop Resource Breakdown

Total Resources	11
Number of Hosts	2
Static Resources	6
JavaScript Resources	3
CSS Resources	1

Regexr.com Mobile Insights

Last tested: 08/24/2016

Mobile Usability

64%

Size content to viewport

Size tap targets appropriately

Mobile Speed

73%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Mobile Resource Breakdown

Total Resources	11
Number of Hosts	2
Static Resources	6
JavaScript Resources	3
CSS Resources	1

Regexr.com Common Typos

www.regexr.com
www.regexr.net
www.regexr.org
www.regexr.info
www.regexr.biz
www.regexr.us
www.regexr.mobi
www.egexr.com
www.regexr.com
www.eegexr.com
www.reegexr.com
www.eregexr.com
www.degexr.com
www.rdegexr.com
www.dregexr.com
www.fegexr.com
www.rfegexr.com
www.fregexr.com
www.tegexr.com
www.rtegexr.com
www.tregexr.com
www.rgexr.com
www.rwgexr.com
www.rewgexr.com
www.rwegexr.com
www.rsgexr.com
www.resgexr.com
www.rsegexr.com
www.rdgexr.com
www.redgexr.com
www.rrgexr.com
www.rergexr.com
www.rregexr.com
www.reexr.com
www.refexr.com
www.regfexr.com
www.refgexr.com
www.revexr.com
www.regvexr.com
www.revgexr.com
www.retexr.com
www.regtexr.com
www.retgexr.com
www.rebexr.com
www.regbexr.com
www.rebgexr.com
www.reyexr.com
www.regyexr.com
www.reygexr.com
www.rehexr.com
www.reghexr.com
www.rehgexr.com
www.regxr.com
www.regwxr.com
www.regewxr.com
www.regwexr.com
www.regsxr.com
www.regesxr.com
www.regdxr.com
www.regedxr.com
www.regdexr.com
www.regrxr.com
www.regerxr.com
www.regrexr.com
www.reger.com
www.regezr.com
www.regexzr.com
www.regezxr.com
www.regesr.com
www.regexsr.com
www.regedr.com
www.regexdr.com
www.regecr.com
www.regexcr.com
www.regecxr.com
www.regex.com
www.regexe.com
www.regexre.com
www.regexer.com
www.regexd.com
www.regexrd.com
www.regexf.com
www.regexrf.com
www.regexfr.com
www.regext.com
www.regexrt.com
www.regextr.com
www.regexr.con

Regexr.com RegExr: Learn, Build, & Test RegEx

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

Regexr.com Overview

Regexr.com Rank Summary

Regexr.com Website Safety

Regexr.com Rank History

Regexr.com Hosting Information

Regexr.com Domain Registration and Settings

Regexr.com HTML Check

Regexr.com Desktop Performance

Regexr.com Mobile Insights

Regexr.com Similar Audits

Regexr.com Common Typos