Thus, email validation is a basic but essential task. Also, when a wrong email flows into the company system, it can cause a problem in the system. a company fails to validate the email format from the user, the firm loses a means to contact the person.of the invalid email addresses look like the following.Let's have a look at some of the valid emails. Underscores, periods, and dashes must be followed by one or more letters or numbers.Alphabet letters, numbers, and specific special characters including underscores, periods, and dashes.According to the email address standard, an email pattern must meet the following conditions. What happens when you type your email is that the website checks if it has the right format. When you sign up for an online service and create a new account, you always have to provide an email account these days. Before jumping into developing email regex patterns, let’s discuss the reasons why we want to do validating email addresses. We learned how we can use the regular expression in Ruby.
Puts "Let's find the number 7 in this text." =~ /\d/
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