left
Returns a string containing the first number characters of the input string.

Languages
Built-in, C++, C#, Java.
Parameters
| Name | Type | Description | 
|---|---|---|
| string | xs:string | The input string. | 
| number | xs:int | Specifies how many characters to return, starting from the beginning of the string. | 
Example
If the input string is This is a sentence and number is 4, the function returns This.