htaccess Redirect (Rewrite) if a param NOT exist
You were nearly there ...
RewriteEngine on
RewriteCond %{QUERY_STRING} !(^|&)v=12(&|$)
RewriteRule ^/?page/?$ /page/?v=12 [R=302,QSD,L]
htaccess Redirect (Rewrite) if a param NOT exist
You were nearly there ...
RewriteEngine on
RewriteCond %{QUERY_STRING} !(^|&)v=12(&|$)
RewriteRule ^/?page/?$ /page/?v=12 [R=302,QSD,L]