React JSX error : Unclosed regular expression

Question

Recently I was facing an issue coding React app on Visual Studio code. Because of this issue, whenever I wrote JSX inside the render function of the React Component and saved it

Answer 1

the extension that did it for me was...

jshint

dbaeumer.jshint
Dirk Baeumer

as @abhay-shiro says, disabling a few extensions will usually resolve the issue.