RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
#----
# this one redirects funny, I have no idea where its going as it seems to send to index.php (header redirect to another domain), and appends missing.html (404 page)
# RewriteRule ^([A-Za-z0-9_.-)\(.*)$ script.php?username=$1&do=$2 [L]
#----
# this one threw me internal server error
# RewriteRule ^([A-Za-z0-9_.-)\(.*)$ script.php?username=$1&do=$2 [L]
# RewriteRule ^([A-Za-z0-9_.-)$ script.php?username=$1 [L]
#----
#this is the one I'm currently using to send /blah to script.php?username=blah
RewriteRule ^(.*)$ script.php?username=$1 [L]