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arouel / uadetector

UADetector is a library to identify over 190 different desktop and mobile browsers and 130 other User-Agents like feed readers, email clients and multimedia players. In addition, even more than 400 robots like BingBot, Googlebot or Yahoo Bot can be identified.
http://uadetector.sourceforge.net/
Apache License 2.0
246 stars 100 forks source link

Robot matching #79

Closed sixpak32577 closed 10 years ago

sixpak32577 commented 10 years ago

What's the main reason for string matching robots instead of using regex as is currently done for browser, os, device detection? The performance is likely better, but it seems that keeping the uas database up to date with the latest versions/variations of robot user agent strings may make a regex version an option worth considering.

mallat commented 10 years ago

There is little real robots, robots are a lot of false (ie false google bots). Therefore, it does not use the regex. I do not say better, than say an untruth.