It was brought to my attention that the generic viagra canada regular expressions used in the article on serving up XHTML with the real viagra prices correct MIME type were flawed. Apparently, they were incorrectly reading and viagra low cost comparing the Q weighting, by only looking for numbers between 0.1 and 0.9. My hopeless knowledge of regular expressions didn't catch it first time around.
With the help of Kornel Lesinski, I was able to refine the expressions. They can now cope with any number between exactly zero and exactly one, with up to viagra 25mg canada pharmacy three decimal places, as described in this section of buy sumycin canada the HTTP 1.1 protocol.
I found the exercise particularly useful, because it helped me to better understand how regular expressions work. Cool.