Re: the most optimal string "trim" implementation

[Shmuel Zeigerman <shmuz@...>]

David Manura wrote:
> I contend [1] that the most optimal way to implement a string "trim"
> function is basically this:
>
>    function trim(s)
>      return s:match'^%s*(.*%S)%s*$' or ''
>    end

The function below is faster, especially when there's a great quantity 
of trailing space.

  function trim(s)
    return s:match'^%s*(.*%S)' or ''
  end

--
Shmuel