Is it too much to ask that "whacky" characters be prevented from being used in user names, so we don't have users like this one whose name renders as L̲̳o̲̳̳n̲̳̳g̲̳̳p̲̳o̲̳̳k̲̳̳e̲̳̳.

I'm all for creativity, but it mucks up pages formatting, especially when the user makes, or is mentioned in, comments. Another example, it's obscuring the reputation and badges in user card:

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    Hmm, do the characters in my name count as whacky?
    – M.A.R.
    Commented Feb 4, 2016 at 7:46
  • Nah - they are cool. I'm ok with any char from any language. It's the character sequences that deliberately render out of the line they were placed in that I have a problem with.
    – Bohemian
    Commented Feb 4, 2016 at 7:48
  • Do you have an example of the messed-up formatting? I've been clicking through the user's activity (on the Android app, which may render differently than various browsers) but I haven't spotted any particularly troubling cases yet.
    – DMGregory
    Commented Feb 4, 2016 at 7:55
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    Related: meta.stackexchange.com/questions/247022/… Commented Feb 4, 2016 at 8:30
  • @dmg in this comment when rendered on chrome for iOS the whacky stuff partially obscures the next line. It's not a big deal, but if the whacky stuff when down further (which it could), things would become illegible. Oddly enough, that question is related to this one :)
    – Bohemian
    Commented Feb 4, 2016 at 8:58
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    @DMGregory I took the liberty to add actual example, with the user card. Commented Feb 4, 2016 at 9:13
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    – user1228
    Commented Feb 4, 2016 at 14:10
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    Are "whacky" characters in fact used for some script? Is this a request to ban Moonspeak names? If US-ASCII was good enough for Jesus, it's good enough for me!
    – Raedwald
    Commented Feb 5, 2016 at 16:33

1 Answer 1


I'm not really against stripping character sets that are used exclusively for escaping the normal bounding box of the text - that seems reasonable. Does anyone have an actual programmatic filter for these characters? You can easily eat a day finding all of the unicode that offends.

  • Don't you have something in the spam filters, e.g. the Chinese characters? Commented Feb 4, 2016 at 11:53
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    /[\u0300-\u036f\u0483-\u0489\u064b-\u065f\u0670\u0E31\u0E34-\u0E3A\u0E47-\u0E4E]{3,}//g - or sth like that from here under MIT license. Commented Feb 4, 2016 at 12:14

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