<form name="newteamform" ng-submit="createTeam(); hide()" novalidate>
  <input id="create-team-box" type="text form-control" placeholder="Team Name" ng-blur="hide()" ng-pattern="/^[a-zA-Z][a-zA-Z0-9]+$/" ng-model="newTeamName" ng-trim="false" ng-minlength="2" required>
</form>