How to iterate individual characters in Lua string?

Question

I have a string in Lua and want to iterate individual characters in it. But no code I\'ve tried works and the official manual only shows how to find and replace substrings :

Answer 1

If you're using Lua 5, try:

for i = 1, string.len(str) do
    print( string.sub(str, i, i) )
end