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Regular Expression Details

Title Test Find Drop first subdomain from domain name
Expression
^\w+\.((?:\w+\.)+\w+)$
Description
Drops the first subdomain from a domain name with at least one subdomain. Fails if the domain does not contain a subdomain.
Matches
www.google.com | www.wave.google.com | as.vcu.acadia.memco.edu
Non-Matches
google.com | microsoft.com | memco.edu
Author Rating: Not yet rated. Josh Brown
Source
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