有条件的htaccess RewriteRule

Question

I'm trying to create a rewrite rule to redirect to a URL based on a conidtion.

I have had a look on-line for similar questions but am finding myself confused.

My rewrite rule looks like follows:

RewriteRule ^rates/(\w+)/?$ http://www.url.co.uk/rates/result.php?quotenum=$1 [R,L]

For example, this will redirect any combination of characters after the URL

www.url.co.uk/rates/1234

to

www.url.co.uk/rates/result.php?quotenum=1234

I am creating an admin page as well which will sit at the URL:

www.url.co.uk/rates/admin

How do I modify my rewrite rule to prevent the redirection of the URL to

www.url.co.uk/rates/result.php?quotenum=admin

When the URL is equal to

www.url.co.uk/rates/admin

Answer 1

This should work:

RewriteRule ^rates/((?!admin/?$)\w+)/?$ http://www.url.co.uk/rates/result.php?quotenum=$1 [R,L,NC]

(?!admin/?$) is a negative lookahead that will not match given regex if URI is /rates/admin OR /rates/admin