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So you think this library can validate email addresses

blog.jonasneubert.com · published 2 February 2026

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Stavros' Stuff Read at the source ↗

stavros.io

https://www.youtube.com/watch?v=xxX81WmXjPg

youtube.com

https://en.wikipedia.org/wiki/Disposable_email_address

en.wikipedia.org

https://en.wikipedia.org/wiki/Request_for_Comments

en.wikipedia.org

https://www.rfc-editor.org/rfc/rfc5322

rfc-editor.org

https://www.rfc-editor.org/rfc/rfc5321

rfc-editor.org

https://www.rfc-editor.org/rfc/rfc6530

rfc-editor.org

https://www.rfc-editor.org/rfc/rfc6531

rfc-editor.org

https://www.rfc-editor.org/rfc/rfc6532

rfc-editor.org

https://mailoji.com

mailoji.com

https://www.rfc-editor.org/rfc/rfc1035

rfc-editor.org

https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/input/email

developer.mozilla.org

https://github.com/jonemo/email-validation-olympics

github.com

https://github.com/validatorjs/validator.js

github.com

https://www.npmjs.com/package/validator

npmjs.com

https://github.com/mfbx9da4/deep-email-validator

github.com

https://www.npmjs.com/package/deep-email-validator

npmjs.com

https://github.com/manishsaraan/email-validator

github.com

https://www.npmjs.com/package/email-validator

npmjs.com

https://github.com/colinhacks/zod

github.com

https://www.npmjs.com/package/zod

npmjs.com

https://github.com/hapijs/joi

github.com

https://www.npmjs.com/package/joi

npmjs.com

https://github.com/jackbearheart/email-addresses

github.com

https://www.npmjs.com/package/email-addresses

npmjs.com

https://github.com/JoshData/python-email-validator

github.com

https://pypi.org/project/email-validator/

pypi.org

https://github.com/michaelherold/pyIsEmail

github.com

https://pypi.org/project/pyIsEmail/

pypi.org

https://github.com/django/django

github.com

https://pypi.org/project/Django/

pypi.org

https://github.com/egulias/EmailValidator

github.com

https://packagist.org/packages/egulias/email-validator

packagist.org

https://github.com/WordPress/WordPress

github.com

https://github.com/symfony/validator

github.com

https://packagist.org/packages/symfony/validator

packagist.org

https://github.com/apache/commons-validator

github.com

https://github.com/hibernate/hibernate-validator

github.com

https://mvnrepository.com/artifact/org.hibernate.validator/hibernate-validator

mvnrepository.com

https://github.com/AfterShip/email-verifier

github.com

https://github.com/golang/go

github.com

https://pkg.go.dev/net/mail

pkg.go.dev

https://github.com/badoux/checkmail

github.com

https://pkg.go.dev/github.com/badoux/checkmail

pkg.go.dev

https://github.com/truemail-rb/truemail

github.com

https://github.com/micke/valid_email2

github.com

https://github.com/dotnet/runtime

github.com

https://github.com/jstedfast/EmailValidation

github.com

https://www.nuget.org/packages/EmailValidation/

nuget.org

https://github.com/jstedfast/MailKit

github.com

https://www.nuget.org/packages/MailKit

nuget.org

https://github.com/johnstonskj/rust-email_address

github.com

https://crates.io/crates/email_address

crates.io

https://github.com/Keats/validator

github.com

https://crates.io/crates/validator

crates.io

https://github.com/Perl-Email-Project/Email-Valid

github.com

https://metacpan.org/pod/Email::Valid

metacpan.org

https://github.com/dertuxmalwieder/libvldmail

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/validator-js

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/email-validator

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/email-addresses

github.com

https://www.npmjs.com/package/address-rfc2821

npmjs.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/deep-email-validator

github.com

https://icannwiki.org/.ferrari

icannwiki.org

https://www.npmjs.com/search?q=keywords:email-validation

npmjs.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/zod

github.com

https://zod.dev/api

zod.dev

An email regex for reasonable people Read at the source ↗

colinhacks.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/joi

github.com

https://joi.dev

joi.dev

https://joi.dev/api/?v=17.13.3

joi.dev

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/python-email-validator

github.com

https://docs.pydantic.dev/latest/api/networks/

docs.pydantic.dev

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/pyisemail

github.com

https://github.com/dominicsayers/isemail

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/django-emailvalidator

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/php-filter-var

github.com

https://www.php.net/manual/en/function.filter-var.php

php.net

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/wordpress-is-email

github.com

https://developer.wordpress.org/reference/functions/is_email/

developer.wordpress.org

https://github.com/WordPress/WordPress/blob/master/wp-includes/formatting.php

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/symfony-validator

github.com

https://github.com/symfony/validator/blob/c65aa0495769dd03d2c094f784545dc202c2b675/Constraints/EmailValidator.php

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/egulias-email-validator

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/apache-commons-validator

github.com

https://github.com/apache/commons-validator/blob/43ff9695d7bb4ca8d7ac2284d209e0bfd84b61a3/src/main/java/org/apache/commons/validator/routines/EmailValidator.java

github.com

https://commons.apache.org/proper/commons-validator/apidocs/org/apache/commons/validator/routines/EmailValidator.html

commons.apache.org

https://github.com/apache/commons-validator/commit/c8d4a8f6270f7714a0cac0a5ea82c7a39bbd5940

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/hibernate-validator

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/net-mail

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/checkmail

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/aftership-email-verifier

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/truemail

github.com

https://github.com/truemail-rb/truemail-go

github.com

https://rubygems.org/gems/valid_email2

rubygems.org

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/valid-email2

github.com

https://guides.rubyonrails.org/active_model_basics.html

guides.rubyonrails.org

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/mailaddress-dotnet

github.com

https://learn.microsoft.com/en-us/dotnet/api/system.net.mail.mailaddress?view=net-10.0

learn.microsoft.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/emailvalidation-dotnet

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/mailkit-dotnet

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/rust-email-address

github.com

https://doc.rust-lang.org/rust-by-example/generics/new_types.html

doc.rust-lang.org

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/validator-rust

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/email-valid-perl

github.com

https://github.com/jonemo/email-validation-olympics/tree/main/libraries/libvldmail

github.com

https://github.com/skeggse/isemail

github.com

https://github.com/wneessen/go-mail

github.com

https://github.com/FGRibreau/mailchecker

github.com

https://github.com/mailcheck/mailcheck

github.com

https://www.npmjs.com/package/email-verifier

npmjs.com

Falsehoods programmers believe about email Read at the source ↗

beesbuzz.biz

https://haacked.com/archive/2007/08/21/i-knew-how-to-validate-an-email-address-until-i.aspx/

haacked.com

Your E-Mail Validation Logic is Wrong Read at the source ↗

netmeister.org

https://npmjs.com/package/email-validator

npmjs.com

https://npmjs.com/package/deep-email-validator

npmjs.com

https://docs.djangoproject.com/en/6.0/ref/validators/

docs.djangoproject.com

https://mvnrepository.com/artifact/commons-validator/commons-validator

mvnrepository.com

https://javascript.internet.com

javascript.internet.com

https://www.w3.org/TR/html5/forms.html

w3.org

https://davidcel.is/posts/stop-validating-email-addresses-with-regex/

davidcel.is

https://rubygems.org/gems/truemail

rubygems.org