Online Tutorial For htaccess Redirection Codes

[pro_seo]

Hello Friends,

Can anyone guide me to an online tutorial where the htaccess redirection codes are analyzed line-by-line and also where I can get to know what each legend means like $1 ; [NC] etc?

Thanks in advance!

[phranque]

there is always apache's url rewrite guide [httpd.apache.org].

[Patrick Taylor]

and [webmasterworld.com...]

[pro_seo]

Thanks a lot friends....I also found this one to be very helpful

[seobook.com...]

Thanks again :)