Reports the length of a string in characters.
Len ( string )
Argument |
Description |
|---|---|
string |
The string for which you want the length |
Long. Returns a long containing the length of string in characters if it succeeds and -1 if an error occurs.
This expression returns 0:
Len("")
This validation rule tests that the value the user entered is fewer than 20 characters:
Len(GetText()) < 20
