title: javax.validation.constraints.Email in SpringBoot
body: <p>I have a bean with this validation:</p>
  <pre><code>@Email(message = &quot;Email is not valid&quot;, regexp=&quot;{(?:[a-z0-9!#$%&amp;'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&amp;'*+/=?^_`{|}~-]+)*|\&quot;(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\&quot;)@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21-\\x5a\\x53-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])}&quot;)
  @NotEmpty(message = &quot;Email cannot be empty&quot;)
  private String email;
  </code></pre>
  <p>when the email is empty the message is fine, but when I enter this text</p>
  <pre><code>perisava.util.Random@1d7f0036
  </code></pre>
  <p>no error is shown</p>