anchor.diff:                   ng-model="user.profile.website"
                    class="form-control"
                    id="user_website"
  +                 ng-pattern="/^https?:\/\/"
                    placeholder="{{ 'website' | translate }}"
                    ng-disabled="preventField['profile.website'] && user.profile.website && !userForm['user[profile_attributes][website]'].$dirty"/>
           </div>
  
positive.code:                    ng-model="user.profile.vimeo"
                     class="form-control"
                     id="user_vimeo"
                     placeholder="{{ 'vimeo' | translate }}"
                     ng-disabled="preventField['profile.vimeo'] && user.profile.first_name && !userForm['user[profile_attributes][vimeo]'].$dirty"
              />
  
negative.code:                    ng-model="user.profile.linkedin"
                     class="form-control"
                     id="user_linkedin"
                     ng-pattern="/^https?:\/\/.*?linkedin/"
                     placeholder="{{ 'linkedin' | translate }}"
                     ng-disabled="preventField['profile.linkedin'] && user.profile.first_name && !userForm['user[profile_attributes][linkedin]'].$dirty"
              />
  