It's the same way with http://💩.la/ it gets turned into the following using IDNA... | Hacker News

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		X-Istence on June 23, 2014 \| parent \| context \| favorite \| on: In search of the perfect URL validation regex It's the same way with http://💩.la/ it gets turned into the following using IDNA: xn--ls8h.la. That is a valid domain name and should be treated as such.

Buge on June 28, 2014 [–]

I guess you could argue the definition of "valid". According to the RFC it's

DISALLOWED: Those that should clearly not be included in IDNs. Code points with this property value are not permitted in IDNs.

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