# `TDTokenizer setTokenizerState:from:to:`

*Instance Method*

## Declaration

```swift
func setTokenizerState(_ state: TDTokenizerState, from start: Int, to end: Int)
```

```objc
- (void) setTokenizerState:(TDTokenizerState *) state from:(NSInteger) start to:(NSInteger) end;
```

```python
setTokenizerState_from_to_(state: TDTokenizerState, start: int, end: int)
```

## Parameters

- `state` — The state for this character range
- `start` — The “start” character. e.g. ‘a’ or 65.
- `end` — The “end” character. ‘z’ or 90.

## Discussion

Change the state the tokenizer will enter upon reading any character between “start” and “end”.