lua string index code example

Example 1: lua indexof

table.indexOf = function ( tab, value )
  for index, val in ipairs(tab) do
    if value == val then
      return index
    else
      return -1
    end
  end
end

Example 2: Lua string

-- Strings are immutable. Immutable simply means unmodifiable or unchangeable.
a = 'this is a string'