Also use comma as a word separator in diff

Question

How can I add , as a word separator for git diff --word-diff?

For instance I would like the diff to recognize that

function(A,B,C) -> fun         


        

Answer 1

In addition to KurzedMetal's answer: without the quotes it works even better since it doesn't break my bashs autocompletion when hitting TAB.

git diff --word-diff-regex=[^[:space:],]+