SubString (NoOfChars)

Name	Substring
Syntax	Substring (String str, Integer startAt, Integer noOfChars)
Purpose	To get part of the string starting at startAt, and of length, noOfChars
Description	Returns a string of characters from a string beginning at startAt and of maximum length equal to noOfChars. If startAt is greater than or equal to string length, empty string is returned.
Return Type	String
Parameters	str [System.String] – String whose part will be returned startAt [System.Int64] – Start position of the string to return noOfChars [System.Int64] – Maximum number of characters to return

Example

In this example, we are passing the required parameters to the function transformation object using a Variables object.

Where,

str: ABCDEFGHI

startAt = 2

noOfChars = 4

Right-click on the function transformation object and select Preview Output. You can see that Astera Data Stack has returned a part of the string, starting at position startAt, and of length, noOfChars.