Re^2: How to optimize a regex on a large file read line by line ?

in reply to Re: How to optimize a regex on a large file read line by line ?
in thread How to optimize a regex on a large file read line by line ?

How long ? Well, it's could vary regarding the extract you can make and the data you would analyze. Some logs are huges, more than 2Gbs... For starting 10000000 lines for passwords log 185866729 lines for the dictionnary file The entry are not very long, nothing more than 8 or 16 chars i would say.

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Re^3: How to optimize a regex on a large file read line by line ? by RichardK (Parson) on Apr 16, 2016 at 16:35 UTC
There's no point trying to optimize your code if you're not sure what your data looks like. However index will be faster than a regex if you're only looking for a fixed string. As other people have recommended, profile your code and find out where the time is going.	[reply]

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