panic: runtime error: index out of range

[Vladimir Mihailenco]

I am getting panic parsing this:

userAgent := &ua.UserAgent{}
userAgent.Parse("Mozilla/5.0 (en-us) AppleWebKit/525.13 (KHTML, like Gecko; Google Web Preview) Version/3.1 Safari/525.13")

[Miquel Sabaté Solà]

Thanks @vmihailenco for reporting :)