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216.169.111.198 - - [20/Feb/2003:23:09:27 -0700] "GET /index.html HTTP/1.1" 200 5169 "http://www.netzhase.de/conrad-electronic/" "http://www.netzhase.de/conrad-electronic/"
The link provided is (of course) a broken link, abd the IP resolves to Essential Services SKYPORT
No dash is needed if the numbers are contiguous.
Normally, characters enclosed in regex pattern square brackets are treated as a list, and any character in that list is tested for a match with the current character position in the request string. When numbers or letters are separated by a dash, it becomes a special case - a character-within-range comparison. In the case where the numbers or letters are contiguous, either may be used, but the simple list is more efficient than a range compare. That is:
[ABC] is the same as [A-C]
[123] is the same as [1-3]
[xy] is the same as [x-y]
[89] is the same as [8-9]
It will work either way, but leaving out the dash when the characters are contiguous is more efficient.
HTH,
Jim
This (the vertical to a dashed vertical) is a pretty common replacement in forums.... I have seen it in at least THREE different forum softwares. I would image that the vertical bar is a reserved character (you must have a couple...) Do not know in Bretts spefic case (and I cannot speak for him!), but based on other forums, it might just be something you need to be aware of, and just cope with!
dave