I am looking for string `"JESÚS"` but only returns the document with the specified string, I need the search to ignore the accents and capital letters.

I am using C# and mongodb driver.

I have two documents saved in my mongodb:

```
_id:5d265f3129ea36365c7ca587
TRABAJADOR:"JESUS HERNANDEZ DIAZ"

_id:5d265f01db86a83148404711
TRABAJADOR:"JESÚS HERNÁNDEZ DÍAZ"

```

In visual c# with mongo driver:

```
var filter = Builders<BsonDocument>.Filter.Regex("TRABAJADOR", new BsonRegularExpression(string.Format(".*{0}.*", "JESÚS"), "i"));

var result = collection.Find(filter, new FindOptions() { Collation = new Collation("es", strength: CollationStrength.Primary, caseLevel:true) }).ToList();

output = JsonConvert.SerializeObject(result);
return output;

```

If I search for `"JESÚS"`, actual output:

```
_id:5d265f01db86a83148404711
TRABAJADOR:"JESÚS HERNÁNDEZ DÍAZ"

```

But actually I am expecting following output:

```
_id:5d265f3129ea36365c7ca587
TRABAJADOR:"JESUS HERNANDEZ DIAZ"

_id:5d265f01db86a83148404711
TRABAJADOR:"JESÚS HERNÁNDEZ DÍAZ"

```