Why can't I put umlauts into my username?

I was going to put ü, ä, ö and ß but it wouldn't accept it.


May 31, 2017


Probably because your username is part of the URL of your profile, and URLs normally can't include Umlauts.

(Although I recently came across a website which had the Swedish å in its URL -- the corresponding URL with an a took me to a different website -- I have no idea how they've done that.)

May 31, 2017

You can have all kind of special characters in a URL, e.g. using Unicode like %... notation for it. For example I used it to query Russian verbs (so with Russian characters) on

May 31, 2017
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