How to remove get parameter from url with .htaccess?

@lizzie 

You can remove a get parameter from a URL using .htaccess by using the following RewriteRule:

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RewriteEngine On
RewriteCond %{QUERY_STRING} (^|&)param= [NC]
RewriteRule ^ %{REQUEST_URI}? [R=301,L]

This rule will remove the "param" get parameter from the URL. It will also redirect the user to the new URL without the get parameter, using a 301 (permanent) redirect.