Sort A String Array By Second Word Based On Specific Format? : I have the following **data**

    1. John Smith
    2. Tom Cruise
    3. Chuck Norris
    4. Bill Gates
    5. Steve Jobs

** **Explanation** **</br>
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Now as you can see, the data is in specific format, `[ID]. [Firstname] [Lastname]`, 
Is there a way to sort this array by firstname? 

**Output** Should look something like this

    4. Bill Gates
    3. Chuck Norris
    1. John Smith
    5. Steve Jobs
    2. Tom Cruise