Top "Zalgo" questions

Use this tag for questions about Zalgo text

How does Zalgo text work?

I've seen weirdly formatted text called Zalgo like below written on various forums. It's kind of annoying to look at, …

html unicode zalgo
What's up with these Unicode combining characters and how can we filter them?

กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ ก็็็็็็็็็็็็็็็็็็็็ ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ ก็็็็็็็็็็็็็็็็็็็็ ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ ก็็็็็็็็็็็็็็็็็็็็ กิิิิิิิิิิิิิิิิิิิิ ก้้้้้้้้้้้้้้้้้้้้ These recently showed up in facebook comment sections. How can we sanitize this?

unicode sanitize combining-marks zalgo
Weird (unicode?) characters

A user has been posting some weird characters on my site and I'd like to block them from doing so …

unicode special-characters zalgo
Why do those Thai characters display on the web page with a long tail?

ด้้้้้็็็็็้้้้้็็็็็้้้้้็็็็็้้้้้็็็็็้้้้้็็็็็้้้้้็็็็็้้้้้็็็็็้้้้้дด็็็็็้้้้้็็็็้้้้้็็็็็้้้้้็็็็็้้้้้็็็็็้้้้้ I found some interesting characters just as I pasted above which takes only 3 spaces width. However the actual length of …

unicode zalgo
How can Z͎̠͗ͣḁ̵͙̑l͖͙̫̲̉̃ͦ̾͊ͬ̀g͔̤̞͓̐̓̒̽o͓̳͇̔ͥ text be prevented?

I've read about how Zalgo text works, and I'm looking to learn how a chat or forum software could prevent …

javascript unicode diacritics combining-marks zalgo
How to protect against diacritics such as Zalgo text

The character pictured above was tweeted a few months ago by Mikko Hyppönen, a computer security expert known for …

c# unicode user-input diacritics zalgo