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| Date | Thu, 13 Dec 2012 17:19:57 +1100 |
| Subject | Re: Using regexes versus "in" membership test? |
| From | Chris Angelico <rosuav@gmail.com> |
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On Thu, Dec 13, 2012 at 5:10 PM, Victor Hooi <victorhooi@gmail.com> wrote: > Are there any other general pointers you might give for that regex? The lines I'm trying to match look something like this: > > 07:40:05.793627975 [Info ] [SOME_MODULE] [SOME_FUNCTION] [SOME_OTHER_FLAG] [RequestTag=0 ErrorCode=3 ErrorText="some error message" ID=0:0x0000000000000000 Foo=1 Bar=5 Joe=5] > > Essentially, I'd want to strip out the timestamp, logging-level, module, function etc - and possibly the tag-value pairs? If possible, can you do a simple test to find out whether or not you want a line and then do more complex parsing to get the info you want out of it? For instance, perhaps the presence of the word "ErrorCode" is all you need to check - it wouldn't hurt if you have a few percent of false positives that get discarded during the parse phase, it'll still be quicker to do a single string-in-string check than a complex regex to figure out if you even need to process the line at all. ChrisA
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Using regexes versus "in" membership test? Victor Hooi <victorhooi@gmail.com> - 2012-12-12 14:35 -0800
Re: Using regexes versus "in" membership test? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-12-13 01:09 +0000
Re: Using regexes versus "in" membership test? Victor Hooi <victorhooi@gmail.com> - 2012-12-12 22:10 -0800
Re: Using regexes versus "in" membership test? Chris Angelico <rosuav@gmail.com> - 2012-12-13 17:19 +1100
Re: Using regexes versus "in" membership test? Victor Hooi <victorhooi@gmail.com> - 2012-12-12 22:35 -0800
Re: Using regexes versus "in" membership test? Chris Angelico <rosuav@gmail.com> - 2012-12-13 17:38 +1100
Re: Using regexes versus "in" membership test? Victor Hooi <victorhooi@gmail.com> - 2012-12-12 22:35 -0800
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