.row
  .col-md-8
    = semantic_form_for(@conference, :url => admin_conferences_path) do |f|
      = f.inputs 'Basic Information' do
        = f.input :title, hint: "The name of your conference as it shall appear throughout the site. Example: 'OpenSUSE Conference 2013'",
                          input_html: { required: 'required' }
        = f.input :short_title, hint: "A short and unique handle for your conference, using only lower-case letters, numbers and underscores. This will be used to identify your conference in URLs etc. Example: 'froscon2011'",
                                input_html: { required: 'required' }
      = f.inputs 'Scheduling' do
        = f.input :timezone, as: :time_zone, default: Time.zone.name, hint: 'Please select in what time zone your conference will take place.'
        = f.input :start_date, as: :string, input_html: { id: 'conference-start-datepicker', required: 'required' }
        = f.input :end_date, as: :string, input_html: { id: 'conference-end-datepicker', required: 'required' }
      = f.actions do
        = f.action :submit, button_html: {class: 'btn btn-success pull-right'}

.row
  .col-md-8
    = semantic_form_for(@conference, :url => admin_conferences_path) do |f|
      = f.inputs 'Basic Information' do
        = f.input :title, hint: "The name of your conference as it shall appear throughout the site. Example: 'OpenSUSE Conference 2013'",
                          input_html: { required: 'required' }
        = f.input :short_title, hint: "A short and unique handle for your conference, using only lower-case letters, numbers and underscores. This will be used to identify your conference in URLs etc. Example: 'froscon2011'",
                                input_html: { required: 'required', pattern: '[a-z0-9-]+', title: 'Only numbers, dashes, and/or lower cased letters.' }, :prepend => 'http://myconf.com/'
      = f.inputs 'Scheduling' do
        = f.input :timezone, as: :time_zone, default: Time.zone.name, hint: 'Please select in what time zone your conference will take place.'
        = f.input :start_date, as: :string, input_html: { id: 'conference-start-datepicker', required: 'required' }
        = f.input :end_date, as: :string, input_html: { id: 'conference-end-datepicker', required: 'required' }
      = f.actions do
        = f.action :submit, button_html: {class: 'btn btn-success pull-right'}

Add pattern & title attr to 'short title' field & prepended URL.
Add pattern & title attr to 'short title' field & prepended URL.
