Add check to ensure value isn't empty#1319
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Otherwise split on an empty string will return an empty array.
randomanderson
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Mar 16, 2020
tylerbenson
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Apr 7, 2020
Turns out the issue wasn't with an empty string returning an empty array, but a string with just `,`.
```
jshell> ",".split(",")
$1 ==> String[0] { }
```
A non-intuitive edge case in my opinion.
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Otherwise split on an empty string may return an empty array.