v := validate.New(map[string][]string{
	"date": {"2023-03", "2023-04"},
})

v.StringRule("date", "required|array|len:2")
v.StringRule("date.*", "required|date:2006-01")

if v.Validate() {
	fmt.Println(v.SafeData())
} else {
	fmt.Println(v.Errors)
}