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Asked: 2026-05-25T02:19:17+00:00

we can search dictionary like var dictionary = new Dictionary<string,string>(); dictionary.Keys.Where( key => key.Contains(a)).ToList();

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we can search dictionary like

var dictionary = new Dictionary<string,string>();
dictionary.Keys.Where( key => key.Contains("a")).ToList();

but it return list. i want that linq should return true or false. so what would be the right code that search dictionary with linq. please guide.

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1 Answer

  1. Editorial Team

    Use the Any() operator:

    dictionary.Keys.Where(key => key.Contains("a")).Any();

    Or

    dictionary.Keys.Any(key => key.Contains("a"));
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