slicestr
Syntax
slicestr STRING START [END]
strings.SliceString STRING START [END]
For example, 1 and 4 creates a slice including elements 1 through 3.
The end index can be omitted; it defaults to the string’s length.
{{ slicestr "BatMan" 3 }}→ “Man”{{ slicestr "BatMan" 0 3 }}→ “Bat”