strings.SliceString
Syntax
strings.SliceString STRING START [END] ⟼ string
Alias
slicestr
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"