How can I find these in the object browser and what are these called?

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#1

local variable1 = anything

and the these options come up after you type the variable for autofill
variable1.Pack
variable1.Find
variable1.Format
variable1.GMatch

what are these called in the object browser?

Thanks in advance

#2

find, format and gmatch are string functions. They aren’t in the object browser because they’re not objects—they’re functions. I’m not sure what Pack is.

#3

pack is a table function, you can read what it does with the provided link.