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RegExr: Learn, Build, & Test RegEx
Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.
This website is hosted with CloudFlare, Inc., which reserves the following IP addresses for regexr.com: 173.236.246.254. Moreover, DNS used with this website include dakota.ns.cloudflare.com, karsyn.ns.cloudflare.com. Subnet identifier ranges from 104.16.0.0 to 104.31.255.255. Classless Inter-Domain Routing (CIDR) is 104.16.0.0/12. ARIN net type is Direct Allocation.
Global Rank
Daily Visitors
Last scanned
Domain Age
CloudFlare, Inc.
dakota.ns.cloudflare.com
karsyn.ns.cloudflare.com
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2008-03-27
2026-03-27
Redacted for Privacy (Privacy service provided by Withheld for Privacy ehf)
NAMECHEAP, INC.
746a1096b7ee40efb065bf81ec03ce4a.protect@withheldforprivacy.com
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The registrar of regexr.com is NAMECHEAP, INC. and the name expires on 2026-03-27. Owner email is obscured for security reasons, so you cannot reach them directly. Their country of residence is Iceland.
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