https://github.com/dimuska139/go-email-normalizer

Golang library for providing a canonical representation of email address.
https://github.com/dimuska139/go-email-normalizer

email go golang normalization

Last synced: 3 days ago
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Golang library for providing a canonical representation of email address.

• Host: GitHub
• URL: https://github.com/dimuska139/go-email-normalizer
• Owner: dimuska139
• License: mit
• Created: 2020-08-21T23:13:04.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2024-09-06T20:34:26.000Z (5 months ago)
• Last Synced: 2024-09-07T00:03:28.034Z (5 months ago)
• Topics: email, go, golang, normalization
• Language: Go
• Homepage:
• Size: 37.1 KB
• Stars: 64
• Watchers: 2
• Forks: 10
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# go-email-normalizer - email normalization for Go

[![Go Reference](https://pkg.go.dev/badge/github.com/dimuska139/go-email-normalizer.svg)](https://pkg.go.dev/github.com/dimuska139/tilda-go)

[![codecov](https://codecov.io/github/dimuska139/go-email-normalizer/graph/badge.svg?token=E1TagDCBXc)](https://codecov.io/gh/dimuska139/go-email-normalizer)

[![Go Report Card](https://goreportcard.com/badge/github.com/dimuska139/go-email-normalizer)](https://goreportcard.com/report/github.com/dimuska139/go-email-normalizer)

[![License](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/dimuska139/go-email-normalizer/blob/master/LICENSE)

[![Mentioned in Awesome Go](https://awesome.re/mentioned-badge.svg)](https://github.com/avelino/awesome-go)  

This is Golang library for providing a canonical representation of email address. It allows

to prevent multiple signups. `go-email-normalizer` contains some popular providers but you can easily append others.

## Download

```shell

go get -u github.com/dimuska139/go-email-normalizer/v4

```

## Usage

```go

package main

import (

	"fmt"

	"strings"

	normalizer "github.com/dimuska139/go-email-normalizer/v4"

)

type customRule struct {}

func (rule *customRule) ProcessUsername(username string) string {

	return strings.Replace(username, "-", "", -1)

}

func (rule *customRule) ProcessDomain(domain string) string {

	return domain

}

func main() {

	n := normalizer.NewNormalizer()

	fmt.Println(n.Normalize("[email protected]")) // [email protected]

	fmt.Println(n.Normalize("[email protected]")) // [email protected]

	fmt.Println(n.Normalize("[email protected]"))   // [email protected]

	fmt.Println(n.Normalize("[email protected]"))   // [email protected]

	fmt.Println(n.Normalize("[email protected]")) // [email protected]

	fmt.Println(n.Normalize("[email protected]"))     // [email protected]

	

	n.AddRule("customrules.com", &customRule{})

	fmt.Println(n.Normalize(" [email protected].")) // [email protected]

}

```

## Supported providers

* Apple

* Fastmail

* Google

* Microsoft

* Protonmail

* Rackspace

* Rambler

* Yahoo

* Yandex

* Zoho

Also you can integrate other rules using `AddRule` function (see an example above)