LINQ的Any方法

IEnumerable<string> str = new List<string> {
"asdf","fgsdfg","tyuiu","ryury","ituyitu"
};

//if (str.Any(x => x.EndsWith("iu")))
//{
//    Write("true");
//}
//else
//{
//    Write("false");
//}

bool blnResult = str.Any();

blnResult = str.Any<string>((s) =>
{
return s.LastIndexOf("iu") > 0;
});

if (blnResult)
{
Write("true");
}
else
{
Write("false");
}