how to do a 301 redirect code example

Example 1: 301 redirect http to https

#For apache .htaccess
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

Example 2: 301 redirect

#In .htaccess
  
Redirect 301 /old-page https://www.example.com/new-page