Redirect any DomainName.com/FolderName to DomainName.com using .htaccess

I want redirect any RandomDo开发者_运维技巧mainName.com/FolderName to RandomDomainName.com using .htaccess.

Thanks Jean

---

put this in root .htaccess file

RewriteRule ^FolderName/?.*$ http://randomdomain.com [L,R=302]