如果判断多行字符串共同含有什么子字符串(该子字符串须长度最长的)
abcdefghabcdefgxbcdefe...aaabcdefgh
string[] str = new string[]{ "gfdsgaaaa", "fds", "fdsgfsdfds", "fdsagfdserre", "rfvffgfdssss" };var query = str.Where(w => w.Contains("fds"));var result = from w in query where w.Length == query.Max(m => m.Length) select w;foreach (var s in result) Console.WriteLine(s);
[解决办法]
string[] str = new string[] { "gfdsgaaaa", "fds", "fdsgfsdfds", "fdsagfdserre", "rfvffgfdssss" }; var query = str.Where(w => w.Contains("fds")); var result = query.Where(w => w.Length == query.Max(m => m.Length)); foreach (var s in result) Console.WriteLine(s); /** result print: * fdsagfdserre * rfvffgfdssss * */