RewriteEngine On
RewriteCond %{HTTP:MY-HEADER} (INTERESTING_[a-z0-9_]+).*+ [NC]
RewriteRule .* - [E=THING1:%1]
RewriteRule .* - [E=THING2:%2]
RequestHeader set OUTPUT-HEADER "%{THING1}e,%{THING2}e"
The reason behind the multiple RewriteRules was the fact that I
couldn't find a way to put a comma into the environment setting part as
it took that as the delimiter for the flags, escaping and quoting didn't
appear to help.
So if I put this header in
INTERESTING_1,something,else,INTERESTING_2,INTRESTING_3
I only ever get the first match i.e. %1=INTERESTING_1.
If I do this
RewriteCond %{HTTP:MY-HEADER} .*(INTERESTING_[a-z0-9_]+) [NC]
then I get the last one
What I am hoping is that there is a nice way of matching multiple of
them and reconstructing into a comma separated list, I can cope with
having to list them out explicitly but am struggling to get a regex
which allows me to do this.
I would normally in Perl have used the /g modifier however the only modifiers I have are NC,L and the slash is taken literally so /g tries to match "/g".
Any pointers will be greatly appreciated. Cheers Andy. On 2012-10-15 12:16, andy wrote:
I am having a problem which I believe is related to greedy matching. Header on the way in MY-HEADER: interesting_1,something_else,interesting_2,interesting_3 and I want to set an environment variable then use mod_headers to replace it with MY-HEADER: interesting_1,interesting_2,interesting_3 Whatever I try I only appear to get the first or last instance matched and was expecting to be able to build my output from %1,%2,%3 in a RewriteRule right after the RewriteCond. Any help appreciated. Cheers Andy.
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