What is the best/easy way to validate an email address in Ruby?

Question

What is the best/easy way to validate an email address in ruby (on the server side)?

Answer 1

You can use

<%=email_field_tag 'to[]','' ,:placeholder=>"Type an email address",:pattern=>"^([\w+-.%]+@[\w-.]+\.[A-Za-z]{2,4},*[\W]*)+$",:multiple => true%>