Dragon wrote:

hit a snag

how would I expand this rule to capture and convert the following?

your.host.name -> YourHostName (works with rule)
YOUR.HOST.NAME -> YourHostName (currently not handled)
Yo-ur.HOST.name -> YourHostName (currently not handled)

effectively the spec would be to take /doc/FQDN (regardless of case presented)
and capitaliseing every dot separated word returning
/doc/FullyQualifiedDomainName removing any characters other than [A-Z][a-z][0-9]

RewriteEngine On
RewriteMap    uppercase int:toupper
RewriteMap    lowercase int:tolower
RewriteRule   ^/doc/(.*)$                     /doc2/${lowercase:$1}
RewriteRule   ^/doc2/(.*?)[^.a-zA-Z0-9]+(.*)$ /doc2/$1$2                [N]
RewriteRule   ^/doc2/((.*)\.)?([a-z])(.*)$    /doc2/$2${uppercase:$3}$4 [N]
RewriteRule   ^/doc2/(.*)                     /wiki/$1                  [PT]

If I were to do something like this, I would most likely use the RewriteMap directive to pass the incoming URL to a short Perl script to do the transformation. The stdin file handle presents the program with the request URL and you pass the result back via the stdout file handle.

http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html#rewritemap

See the section on the page linked above entitled "External Rewriting Program" for details and a skeleton Perl script you can add your processing to.

IMO, you should only use external rewrite programs as a last resort. If you can use the inbuilt apache functions you should do so.

Regards,
Mike

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