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  1. string str = "Hello, World!";
  2. int index = str.IndexOf("CSharp");
  3. Console.WriteLine(index);
Success #stdin #stdout 0.04s 31292KB
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Standard input is empty
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-1
https://ideone.com/ALpl0J
language:
C# (NET 6.0)
created:
4 days ago
visibility:
public

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