Search in Directory .cs

void Main()
{
//	var asd = Directory.GetDirectories(@"D:\MyWork", "*.*", SearchOption.AllDirectories);
// 
// 			var asdad1 = asd.Where(t =>t.EndsWith("node_modules") && (t.IndexOf("node_modules")==t.LastIndexOf("node_modules") && t.IndexOf("node_modules")!=-1)).ToList();
//			asdad1.Dump();

GetRootDirectoryByName(@"D:\MyWork","node_modules").Dump();
GetAllSubDirectory(@"D:\MyWork").Dump();
}

List<string> GetRootDirectoryByName(string pathToSearch,string directoryName){
			var dirs = Directory.GetDirectories(pathToSearch, "*.*", SearchOption.AllDirectories); 
 			return dirs.Where(t =>t.EndsWith(directoryName) && (t.IndexOf(directoryName)==t.LastIndexOf(directoryName) && t.IndexOf(directoryName)!=-1)).ToList();
}

List<string> GetAllSubDirectory(string path){
			var dirs = Directory.GetDirectories(path, "*.*", SearchOption.AllDirectories); 
			return dirs.ToList();
}