substring

Syntax:

Value String  indexof(String str, Integer start, Integer end)

Description:

Returns a substring of str that starts at character number start and ends before character number end.

Examples:

($a1:$a5) = substring($self, $b, $c)
Before:
AB C
1Hello World68
2My Name is Alex05
3ABCabc310
44.56710
5XSheet32
616
After:
AB C
1Wo68
2My Na05
3abc310
4710
5h32
616
($d1:$d10) = substring($b, 0, 1)