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Detect and analyze browser / user-agent string

Asked by Yavor_01126 in Web Browsers, Miscellaneous Web Development, Ruby Scripting Language

Tags: user-agent, browser

Hi!

I am storing into a database the user-agent of the logged in users.

My question is how to effectively scan/analyze the user-agent string so I can extract from it what is the browser, browser version, engine, platform/os and language?

I'm looking for explanations and maybe some regular expression solutions.

I've searched all over the internet for a solution or a least a standard about user-agent strings that I can use but with no luck :(

My code is in Ruby but PHP or pseudo code will be fine.

Thanks!
[+][-]08/29/09 07:25 PM, ID: 25216154Expert Comment

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[+][-]08/30/09 03:23 AM, ID: 25217054Expert Comment

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[+][-]08/30/09 06:49 AM, ID: 25217657Author Comment

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[+][-]11/12/09 08:07 PM, ID: 25811300Expert Comment

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