java - how to extract this using regex -

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i need extract this

example:

 www.google.com  maps.google.com  maps.maps.google.com

i need extraact google.com this.

how can in java?

split on . , pick last 2 bits.

    string s = "maps.google.com";     string[] arr = s.split("\\.");     //should check size of arr here     system.out.println(arr[arr.length-2] + '.' + arr[arr.length-1]);

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