anyone here got a function to find is a string is base64 encoded?

[Wouter]

	• 	From: Mark Brownell
	• 	 Subject: Re: anyone here got a function to find is a string is 
base64 encoded?
	• 	 Date: Sun, 25 Jul 2004 17:22:26 -0700

-- snip
>
>  if i is not in "abcdefghijklmnopqrstuvwxyz1234567890+/=" then return 
> false
>
> May be there are other legal characters to test for, please add them 
> too.
>
>
> Greetings,
> WA
>
>
> I just realized that empty space is not in the base64 character set. 
> So if you know that it's either plain text with words and spaces or 
> encoding then all you need do is check for the spaces between words.
>
>
> Mark

Hi Mark,

That's right.
But checking if  each char i of the string is in 
"abcdefghijklmnopqrstuvwxyz1234567890+/=" will take care of spaces.
I hope or am I wrong?

Wouter