STR_SUBSTR

Returns a substring with a designated number of characters starting at a specified point within a string.

STR_SUBSTR (Input String, Starting Position, Length)

Input String	Text string.
Starting Position	Integer value that determines the starting point of the substring.
Length	Integer value that designates the number of characters in the substring.

The following function returns a substring of the input string:

Function	STR_SUBSTR ("This is one string", 9, 8)
Result	one stri

The following example shows that the Starting Position and Length arguments can have any value and not cause errors:

Function	STR_SUBSTR ("This is a string", -1000, 100)
Result	returns the original string, since the values are out of range