.htaccess and case-insensitive regular expression matching

On 3/29/06, John Walton <listservqsgmail.com> wrote:
> Hi,
>
>  I'm trying to create a .htaccess file that will
reside in an /images
> directory.  I want the .htaccess file to only deny
access to everything
> EXCEPT image files (gif, jpg, bmp, png, etc).  I've
searched the web, apache
> manual, and PCRE manual for hours but for the life of
me I can't get the
> regular expression to do a case-insensitive match with
the FilesMatch
> directive.  The file I created below does this trick so
long as the file
> extension is lower-case.  I tried changing the regular
expression below to
> "(?i)\.(gif|jpe?g|png|bmp)$" and
"\.(?i:gif|jpe?g|png|bmp)$" but that causes
> an internal server error.  The web server is running
Apache 1.3 on FreeBSD
> 4.7.

Apache 1.3 uses HSRegex or your system egrep-compatible
regex library.
 These are much less capable than PCRE and they do not
support the ?i
flag.  So you are out of luck unless you want to upgrade.

Joshua.

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