How to correctly formulate a regular expression for htaccess?

Question

htaccess

Hello. Please tell me how to write a rule for htaccess so that when you go to such an address news.php?xxxx there is a 301 redirect to just xxxx.html

Answer 1

RewriteCond %{QUERY_STRING} ^news.php?(.*)$ [NC]
RewriteRule ^(.*)$ %1.html [L,R=301]