package utils import ( "math/rand" "time" ) const charset = "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" var seededRand = rand.New(rand.NewSource(time.Now().UnixNano())) func StringWithCharset(length int, charset string) string { b := make([]byte, length) for i := range b { b[i] = charset[seededRand.Intn(len(charset))] } return string(b) } func GetRandomString(length int) string { return StringWithCharset(length, charset) }