While not directly answering your question, once the day's frustration has worn off, you might find the "Don't Use Regular Expressions To Parse IP Addresses!
" thread to be of some interest or value.
striving toward Perl Adept
(it's pronounced "why-bick")
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Snippets of code should be wrapped in
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tags should generally be avoided. If they must
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taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link or
or How to display code and escape characters
are good places to start.