Is '' base64 encoded?

Question

This question has this answer which suggests no:

if (str ==='' || str.trim() ===''){ return false; }

But some of the other approaches that use regular expressions return true ... For example:

Thoughts?

The base 64 encoding of an empty input is an empty string. – Barmar Oct 16 '21 at 05:15 — Barmar, Oct 16 '21 at 05:15

score 1 · Accepted Answer · answered Oct 18 '21 at 09:56

1

Yes.

An empty string is encoded (and so decoded) as an empty string in BASE64.

Note: The exact first reference test in the BASE64 standard is the empty string:

BASE64("") = ""

answered Oct 18 '21 at 09:56

Giacomo Catenazzi

1 Answers1