- Username: This can include letters, numbers, dots (.), underscores (_), and hyphens (-). For example,
john.doe, jane_doe123. - @ symbol: This separates the username from the domain.
- Domain: This is the name of the email provider or organization. It can include letters, numbers, and hyphens. For example,
gmail, yahoo, example. - Extension: This indicates the type of domain. Common extensions include
.com, .net, .org, .edu.
An example of a valid email address is: xxx.xxx@xxx.com | 