LUA

roblox how to find something in table

local t = {"a", "b", "c", "d", "e"}
print(table.find(t, "d")) -- 4
print(table.find(t, "z")) -- nil, because z is not in the table
print(table.find(t, "b", 3)) -- nil, because b appears before index 3

roblox table find

table.find(t, element) finds the index position of element. It returns nil if there is no element in the table.

  t = table
  element = thing you're trying to find
  
Its uses are

Quick verification that an element is in the table
Get the index of the element, probably so you can pop it from the list or any other index-based operations rather than element based