remove spaces

[Spawnova]

How would i go about removing spaces from the text i have stored in a variable

I have tried string.gsub(message, "%s", "")
I have tried string.gsub(message, " ", "")
and
str = strtrim(message)
str = strtrim(message, "%s")

[Nibelheim]

str = string.gsub(message, "%s", "")

[Spawnova]

Ofcourse lol, Thanks =)