candidate creation

app/validators/email_format_validator.rb

@@ -0,0 +1,16 @@
+class EmailFormatValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    # EMAIL regex test
+    # (comma seperated) [any word combo] AT [any word combo] DOT [2 or more]
+    # me@no.yes.x == invalid
+    # some.thing+two@sub.domain.name == valid
+
+    results = value.to_s.split(',').map do |v|
+      (v.strip =~ /^([\w\.%\+\-]+)@([\w\-]+\.)+([\w]{2,})$/i) || v.strip.blank?
+    end
+
+    if results.include?(false)
+      record.errors[attribute] << (options[:message] || "is not formatted properly: #{value}")
+    end
+  end
+end