Email Address Format Validator

As a software developer or tester of Web applications, you are required to know what is a valid email address and what is an invalid email address. According the Internet specifications, there are a number of valid email address formats. This page allows you to learn and test email address of all formats. As a software developer or tester of Web applications, you are required to know what is a valid email address and what is an invalid email address. According the Internet specifications, there are a number of valid email address formats. This page allows you to learn and test email address of all formats.