Lua Programming/case sensitivity

The lua interpreter is case sensitive. This means that identifier names containing lowercase letters will be treated as being different and separate from those containing uppercase letters:

-- These variables are all different dog = "Benjamin" Dog = "Samba" DOG = "Bernie"

print ("The dogs are named " .. dog .. ", " .. Dog .. ", and " .. DOG)

Converting Strings
The lua interpreter provides the following functions for converting strings to uppercase or to lowercase: