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fluttersubstring

flutter : how to substring string from last of special character like @

I have this string ffff @fgggg @, How can I do substring last @, Thats mean When I am using this code:

String text =  `ffff @fgggg @`;
selectedUser = text.substring();

I expect selectedUser be == "";

I want to check text from last @ ? If after last @ be nothing, substring() method return "" ?

Solution

  • I found answer :

     selectedUser = text.substring(text.lastIndexOf('@') + 1);

    and I got "". It checked from last @.