1. $L(string)
   
   
2. $L(string,delimiter)

string is a string expression.

delimiter is a character (or characters) or an expression yielding a character (or characters) that divides the string into pieces.

1. In the first format, the function returns the number of characters in string.
   
   
2. In the second format, the function returns the number of pieces into which delimiter divides the string. If delimiter does not exist within string, 1 is returned.

$L(PROVIDER)=> 11 [PROVIDER is Finch,Peter]

$L(PROVIDER,",")=> 2 [same PROVIDER]