Comments in .env aren't ignored by loadEnvFile()

[steffen-4s1]

Version

20.12.0

Platform

Linux xxx 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

Subsystem

No response

Description

process.loadEnvFile() doesn't ignore (first) comment line.

What steps will reproduce the bug?

Create an example .env file with two comments

#FOO=123
#BAR=456

and run the following code snippet

process.loadEnvFile();

console.log("FOO", process.env.FOO);
console.log("BAR", process.env.BAR);

Example repo: https://github.com/steffen-4s1/dotenv

How often does it reproduce? Is there a required condition?

Always

What is the expected behavior? Why is that the expected behavior?

All comment lines should be ignored.

FOO undefined
BAR undefined

What do you see instead?

FOO isn't ignored.

FOO 123
BAR undefined

Additional information

No response

[anonrig]

Duplicate #52084