Answers for "check for duplicates in list c#"

c# find duplicates in list of strings

var list = new List<string>();
list.GroupBy(n => n).Any(c => c.Count() > 1);

Posted by: Guest on June-08-2020

c# find duplicates in list

var query = lst.GroupBy(x => x)
              .Where(g => g.Count() > 1)
              .Select(y => y.Key)
              .ToList();

Posted by: Guest on June-08-2020

c# see if list contains any duplicates

var list = new List<string>();

// Fill the list

if(list.Count != list.Distinct().Count())
{
     // Duplicates exist
}

Posted by: Guest on May-17-2020

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