substring

Extracts a portion of a string between a starting index and an optional ending index. Supports negative indices to slice from the end of the string.

Syntax

$substring[text;start;end]

Parameters

Parameter	Type	Description	Default
text	string	The original source text.	Required
start	int	The zero-based index to begin extraction. Supports negative values.	Required
end	int	The zero-based index before which to end extraction. Supports negative values.	None (Slices to end)

Example

# Get the first 3 characters of a string
$setVar[prefix;$substring[AlphaPIL;0;3]] # Stores "Alp"

# Get the last 3 characters of a string using a negative start index
$setVar[suffix;$substring[AlphaPIL;-3]] # Stores "PIL"