How to make such .htaccess redirect?

Question

Apache HTTP Server

There is a link like - site.ru/?1NMJKI, where 1 is the event identifier, and NMJKI is the unique number of the visitor.
You need to make a redirect from this link to site.ru/?course=1&utm_source=sms&utm_term=NMJKI

Answer 1

At the beginning of .htaccess add

RewriteCond %{QUERY_STRING} ^(\d+)([A-Z]+)$
RewriteRule ^$ /?course=%1&utm_source=sms&utm_term=%2 [R=301,L]