Browscap provides regularly updated rules for parsing user agents.
For more info check the officall PHP client.
import ( "fmt" bgo "github.com/digitalcrab/browscap_go" ) func main() { if err := bgo.InitBrowsCap("browscap.ini", false); err != nil { panic(err) } browser, ok := bgo.GetBrowser("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36") if !ok || browser == nil { panic("Browser not found") } else { fmt.Printf("Browser = %s [%s] v%s\n", browser.Browser, browser.BrowserType, browser.BrowserVersion) fmt.Printf("Platform = %s v%s\n", browser.Platform, browser.PlatformVersion) fmt.Printf("Device = %s [%s] %s\n", browser.DeviceName, browser.DeviceType, browser.DeviceBrand) fmt.Printf("IsCrawler = %t\n", browser.IsCrawler()) fmt.Printf("IsMobile = %t\n", browser.IsMobile()) } }Browser string BrowserVersion string BrowserMajorVer string BrowserMinorVer string // Browser, Application, Bot/Crawler, Useragent Anonymizer, Offline Browser, // Multimedia Player, Library, Feed Reader, Email Client or unknown BrowserType string Platform string PlatformShort string PlatformVersion string // Mobile Phone, Mobile Device, Tablet, Desktop, TV Device, Console, // FonePad, Ebook Reader, Car Entertainment System or unknown DeviceType string DeviceName string DeviceBrand string Crawler string Cookies string JavaScript string RenderingEngineName string RenderingEngineVersion stringBenchmarkInit-4 1 2256895168 ns/op 346136904 B/op 5700912 allocs/op BenchmarkGetBrowser-4 10000 140975 ns/op 37 B/op 1 allocs/op The MIT License (MIT) Copyright (c) 2015 Maksim Naumov Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.