Since my server provider went out of business, I had to reinstall Discourse. Because it’s a fresh installation, many of my previous settings were lost and I’ve forgotten how to configure some of them. Since most of my users are Japanese, I need to allow Japanese characters in usernames. How can I en…

On sites where the default locale is Japanese, the allowed_unicode_username_characters setting is configured to [\p{Han}\p{Katakana}\p{Hiragana}ー] by default. The second setting involved is unicode_usernames. You need to enable that.

Yes, it has been perfectly resolved. It seems even better than before. Now we can add horizontal lines, which wasn’t possible before.

How to Allow Japanese Characters in Discourse Usernames

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tobiaseigen (Tobias Eigen) October 25, 2025, 6:44pm 3

@wenqin did moin’s answer solve you problem? Let us know how things are going so we can wrap up this topic or help you get to resolution.

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How to Allow Japanese Characters in Discourse Usernames

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