in reply to Regexp Quest

I've added an example of a real world use of regexr in dynamic CGI scripts.
Enjoy.

-- 4c6966653a20546865207365617263682066 6f7220746861742070657266656374204765 656b20436869632c20746865206f6e652077 6974682074686520737061726b6c696e6720 657965732077686f20706c61797320697320 7261696e2e