HTML5 form controls with form Properties __html

<form action= "<?php echo U" (' Home/admin/register ');? > "method=" Post "id=" Registerform ">
              <span> User name </span><input type=" text "name=" username "id= "Username" placeholder= "* length 4-20-bit non-null character" required autofocus/><br>
              <span> input Password </span>< Input type= "password" name= "password" id= "password" * length is 6-18-bit non-empty characters "placeholder= required" pattern=} "\s{6,18 br>
              <span> Confirm password </span><input type= "password" id= "Password2" placeholder= "  * two times password Please enter consistent" required/><br>
              <span> Email </span><input type= "email" name= "email" id= "email" placeholder= "* Please enter a valid email address" required/><br>
              <span> my blog </span><input type= "text" name= "Boke" id= "Boke" Placeholder= "This optional"/><br>
              <input type= "Submit" value= "registered" id= "submit"/>
          </form>