How can I style the Material UI Tooltip title? The default tooltip on hover comes out black with no text wrap. Is it possible to change the background, color etc? Is this option even available?

I am creating a simple form to upload file using electron-react-boilerplate with redux form & material ui. The problem is that I do not know how to create input file field because material ui ...

I am trying to use RegEx to do material-ui form based validation. I am using my JS based Regex, but it does not work. Why ? Below is the snippet from my template.jsx file. my-form is just a wrapp...