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Asked: 2026-05-22T20:35:10+00:00

I have string array string[] MyArray . What is the quickest (meaning least code,

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I have string array string[] MyArray. What is the quickest (meaning least code, not fastest performance) way to convert all string array elements to lowercase?

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  1. Editorial Team
    var MyArrayLower = MyArray.Select(s => s.ToLowerInvariant()).ToArray();

    (or

    MyArray = MyArray.Select(s => s.ToLowerInvariant()).ToArray();

    if you want to replace the existing array with a new instance of string[].)

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