Want to change the nickname command to support Chinese(Asia Language).
use this " ^[\u2E80-\u9FFF_a-zA-Z0-9]+$ "

Related: #1630

@hou0122 If you have any further questions, let us know and I'll reopen this.

You can add the essentials.nick.allowunsafe permission to allow non-alphanumeric characters in nicknames (including Chinese characters). This version works with EssentialsX version 2.16.0 or newer