How to write a regular expression that matches only letters, numbers and commas?

Question

Regular Expressions

Hello, I wanted to exclude all punctuation and punctuation except commas from a string. Thanks in advance!
My version doesn't work for some reason:
([A-Za-z0-9,]+)

Answer 1

https://regex101.com/r/fH4uW5/1

Answer 2

^([A-Za-z0-9,])+$