.htaccess中这两个重定向之间的区别是什么，以及如何为这两个重定向编写单个重定向

Question

I have new website done for one client, and now I am doing all redirects in .htaccess file. I was bit confused regarding the source URL part in lines below. Are these two lines works same way?

Redirect 301 /shop/contact-us http://www.example.com/contact-us/
Redirect 301 /shop/contact-us/ http://www.example.com/contact-us/

Answer 1

If you want to redirect /shop/contact-us with a number of optional trailing slashes to http://www.example.com/contact-us, then the Redirect directive is not very appropriate. Use RedirectMatch directive instead:

RedirectMatch 301 "^/shop/(contact\-us)/?" http://www.example.com/$1/

where

• ^ is an anchor meaning "beginning of the line";
• /? matches zero or one slash character;
• (contact\-us) is a capturing group (referenced by $1)

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Note, the regular expression matches only the prefix, since only the ^ anchor is used. You can use the $ (end of the line) anchor in order to make the expression stricter, e.g.:

RedirectMatch 301 "^/shop/(contact\-us)/*$" http://www.example.com/$1/

where /* means zero or more slashes.