Remove n first chars
		     This function removes the first n characters, while subsequent ones
			are copied to the output as is.
	  
      | Option | Description | 
|---|---|
| Extra parameter | 
               This function requires an extra parameter.
                The extra parameter is the number of characters to be removed.  | 
         
In the first example, the first two characters are removed.
In the second example, the first four characters are removed.
| Input value | Extra parameter | Example of a masked value | 
|---|---|---|
| Jack | "2" | ck | 
| S1000D | "4" | 0D |