hoolio, I made your change. Thanks. My regex-fu is weak these days....
Jason, thanks for the quick demo, which I duplicated with my iRule and verified with plain text.
The parameter value I'm inspecting is actually base64 encoded. I extract the value, base64 decode it, then run it through the regex. My log statement shows that I am correctly decoding the value. Just now, I added additional text to the end of a log statement and see that my base64 decoded string is actually "asdf ". I hadn't noticed that space last night....
Now I just need to strip that space, and I should be good to go.
Thanks for the help!
R
Nimbostratus