RewriteRule中的正则表达式是否加上^的区别

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RewriteRule /news/(/d+)/.html /news/.php/?id=$1 [N,L]

RewriteRule /news/(/d+)/.html /news/.php/?id=$1 [N,L]

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http://localhost/news/1.html

http://localhost/news/1.html

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http://localhost/test/news/1.html

http://localhost/test/news/1.html

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RewriteRule ^/news/(/d+)/.html /news/.php/?id=$1 [N,L]

RewriteRule ^/news/(/d+)/.html /news/.php/?id=$1 [N,L]

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http://localhost/test/news/1.html

http://localhost/test/news/1.html

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RewriteRule /blog/user/(.+)/.html$ /blog/user/blog_show.jsp?userid=$1 [PT]

RewriteRule /blog/user/(.+)/.html$ /blog/user/blog_show.jsp?userid=$1 [PT]

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http;//localhost/blog/user/1.html

http;//localhost/blog/user/1.html

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http;//localhost/test/blog/user/1.html

http;//localhost/test/blog/user/1.html

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RewriteRule ^/blog/user/(.+)/.html$ /blog/user/blog_show.jsp?userid=$1 [PT]

RewriteRule ^/blog/user/(.+)/.html$ /blog/user/blog_show.jsp?userid=$1 [PT]

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http://localhost/test/news/1.html

http://localhost/test/news/1.html