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c# - How to replace list item in best way

if (listofelements.Contains(valueFieldValue.ToString()))
{
    listofelements[listofelements.IndexOf(valueFieldValue.ToString())] = value.ToString();
}

I have replaced like above. Is there any other bestway to place compare than this one?

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Use Lambda to find the index in the List and use this index to replace the list item.

List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] =  "def";

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