带有ng-pattern的Angularjs ui-mask

below code is not working..

下面的代码不起作用..

<input type="text"
       class="form-control input-sm"
       placeholder="hh:mm:ss"
       name="hhmmss"
       ng-model="data.hhmmss"
       ui-mask="99:99:99"
       ng-pattern="/^([0-2]|0[0-9]|1[0-9]|2[0-3]):?[0-5][0-9]:?[0-5][0-9]$/"
/>
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