# Transform Strings

### Description
Perform various transformations on strings. Casing, stemming, removal of diacritics, etc.

### Input
- `SOURCE [STRING]`: Strings to transform

### Output
- `PAIRS [STRING,STRING]` : pairs with original and modified strings
- `RESULT [STRING]`: the modified strings

### Parameters
- `Normalize diacritics`: transliterates non-ASCII characters into their closest ASCII form
- `Stemming`: strings (single words) can be stemmed for a specific language or left as they are
- `Case`: Convert all characters to lower-/upper- case

Output scores can be [aggregated](docs://score_aggregation) and/or [normalised](docs://score_normalisation).