akiyamaneko created AMBARI-25600:
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             Summary:  The default widget name generated by the clone-widget is 
incorrect
                 Key: AMBARI-25600
                 URL: https://issues.apache.org/jira/browse/AMBARI-25600
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.7.3
            Reporter: akiyamaneko


After cloning an existing widget, try to  edit the cloned widget name and find 
that even if nothing is modified, the save button cannot be clicked, prompting 
that the widget name is invalid.

as shows belows:
{code:java}
//代码占位符
isValidWidgetName: function(value) {
 var widgetNameRegex = /^[\s0-9a-z_\-%]+$/i;
 return widgetNameRegex.test(value);
 }
{code}
 

The automatically generated widget name ends with *(Copy)*, but the regular 
expression of widgetname does not support parentheses, which often confuses 
users.






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