what is the regular roblox display by

I’m not sure what you mean by “the regular Roblox display by,” but if you mean the default display name style on Roblox, it usually shows your chosen display name over your username, and many players use simple names like “Player,” “Noob,” or their own username. A recent Reddit discussion listed common examples such as “NPC,” “You,” “Player,” “Player1,” and “Username,” though that’s community observation rather than an official Roblox rule.

What Roblox usually shows

Roblox profiles and in-game name labels can show:

• A display name , which is the visible name other players see.
• A username , which is the account’s unique handle.
• In some cases, the game itself may choose how names are displayed.

If you meant something else

• Default avatar look: Roblox’s standard new-user appearance is often called a “noob” look.
• Regular Roblox UI: the normal platform interface changes over time, so “regular display” could refer to the home screen, in-game name tag, or profile page.

Best guess

If you meant “what do people usually display as their name on Roblox?”, the most common pattern is a short, simple display name rather than anything fancy, and the username underneath or behind it.

TL;DR: Roblox normally shows a display name and a username, and common “regular” display names are simple ones like Player, Noob, or the user’s own name.