re-direct all full path of sub-site

I am using your plugin from long time and found very useful.

I had sub-site and want to move sub-site on main website, so now want to redirect all same path to main path.

Ex:

website.com/member/1st-url/

website.com/member/2nd-url/

Now

website.com/1st-url/

website.com/2nd-url/

What to write expression for redirect, so all previous sub-site url to main domain url?

Thanks for this