Created
January 30, 2024 15:13
-
-
Save Lukmanern/5ac14343fa14c03ec0f029d39473d085 to your computer and use it in GitHub Desktop.
Golang Email Validation ; your choices.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package main | |
| import ( | |
| "fmt" | |
| "net/mail" | |
| "github.com/fatih/color" | |
| "github.com/go-playground/validator/v10" | |
| ) | |
| type User struct { | |
| Email string `validate:"required,email"` | |
| } | |
| func main() { | |
| users := []User{ | |
| {Email: "simple.valid.email@email.test"}, // valid -1 | |
| {Email: "simple.valid.email@sub1.sub2.email.test"}, // valid -2 | |
| {Email: "simple.valid.email@email.test."}, // valid too (?) -3 | |
| {Email: "simple.valid.email@sub1..sub2..email.test"}, // valid too (?) -4 | |
| {Email: "simple.valid.email@email.test.."}, // invalid -1 | |
| {Email: "simple.valid.email@.email.test"}, // invalid -2 | |
| {Email: "simple.valid.email.@email.test"}, // invalid -3 | |
| {Email: "simple.valid.email@email.test_"}, // invalid -4 | |
| {Email: "simple.valid.email@email.test`"}, // invalid -5 | |
| {Email: "simple.valid.email@email..test"}, // invalid -6 | |
| {Email: "simple.valid..email@email.test"}, // invalid -7 | |
| {Email: ".simple.valid.email@email.test"}, // invalid -8 | |
| {Email: "..simple.valid.email@email.test"}, // invalid -9 | |
| } | |
| fmt.Println("\nusing github.com/go-playground/validator/v10") | |
| for _, user := range users { | |
| validate := validator.New() | |
| if err := validate.Struct(&user); err != nil { | |
| printInvalid(user.Email, err.Error()) | |
| continue | |
| } | |
| printValid(user.Email) | |
| } | |
| fmt.Println("\n\nusing net/mail") | |
| for _, user := range users { | |
| _, err := mail.ParseAddress(user.Email) | |
| if err != nil { | |
| printInvalid(user.Email, err.Error()) | |
| continue | |
| } | |
| printValid(user.Email) | |
| } | |
| } | |
| func printValid(email string) { | |
| color.Green("email is valid, email: " + email) | |
| } | |
| func printInvalid(email, errMsg string) { | |
| color.New(color.FgHiRed).Println(errMsg, ", email:", email) | |
| } |
Author
Lukmanern
commented
Jan 30, 2024
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment