How to remove page extension

[themodernpk]

I am trying to redirection using the following code:

{
    "from": "^/oldPage.php",
    "to": "/newPage",
}

It redirects to /newPage.php, which leads to 404 page, how can I remove the .php from the redirected page?

[simonhrogers]

Would like to know the answer to this too.