Golang regexp sequência de fuga desconhecida
// using backticks '`' can solve this
r := regexp.MustCompile(`.*\[(\d\d\/\w+/\d\d\d\d:\d\d:\d\d:\d\d.*)\].*`)
knavels
// using backticks '`' can solve this
r := regexp.MustCompile(`.*\[(\d\d\/\w+/\d\d\d\d:\d\d:\d\d:\d\d.*)\].*`)