.htaccess - htaccess 301 redirect example.com/beta/xyz to example.com/xyz -

i need general rule maps every url in /beta subdirectory corresponding url in root; need remove /beta urls.

in case makes difference, urls dynamically generated wordpress.

currently .htaccess file is:
`

begin wordpress

rewriteengine on
rewritebase /
rewriterule ^index.php$ - [l]
rewritecond %{request_filename} !-f
rewritecond %{request_filename} !-d
rewriterule . /index.php [l]

end wordpress

`

can tell me put new lines?

thank you!

could try this?

rewriteengine on rewriterule ^beta/(.*)$ http://example.com/$1 [r=301,l]