Usernames can contain only letters, numbers, underscores and periods
In TikTok, when you attempt to modify your username, you will encounter a limitation. Usernames in TikTok can consist exclusively of the following characters: letters, numbers, underscores, and periods. Changing your username will also modify your profile link. You are permitted to alter your username once every 30 days.
If you try to insert an emoji into your TikTok username, it will not be accepted. Emojis can be incorporated into your name on TikTok, but they cannot be part of your username. This constraint is currently in place, and although the addition of emojis to usernames could be a compelling feature, it is not supported on TikTok at this time.
Therefore, users on TikTok need to adhere to the stipulated criteria for usernames, ensuring they only use letters, numbers, underscores, and periods in their usernames.
These restrictions are implemented to maintain consistency and clarity within the platform, facilitating an organized and structured user experience. Adhering to these guidelines ensures that all usernames are easily readable and comprehensible.
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