C# collection/string .Contains vs collection/string.IndexOf

Posted by Daniel on Stack Overflow See other posts from Stack Overflow or by Daniel
Published on 2010-05-14T01:38:22Z Indexed on 2010/05/14 1:44 UTC
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Is there a reason to use .Contains on a string/list instead of .IndexOf? Most code that I would write using .Contains would shortly after need the index of the item and therefore would have to do both statements. But why not both in one?

if ((index = blah.IndexOf(something) >= 0) // i know that Contains is true and i also have the index

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