demo/src/app/components/+typeahead/demos/phrase-delimiters/phrase-delimiters.html
<pre class="card card-block card-header">Model: {{selected | json}}</pre>
<input [(ngModel)]="selected"
[typeahead]="states"
[typeaheadSingleWords]="true"
typeaheadPhraseDelimiters="&,"
class="form-control">