Range Strings

Range strings are used to briefly describe a range of values.

Range String Syntax

( or [ + Number + , + Number + ) or ]

Where supported, you can use variables in place of numbers.

Examples

Example	Description
[1,3]	Square brackets are inclusive. This matches 1, 2 and 3.
(1,3]	Parentheses are exclusive. This matches 2 and 3.
[1,3)	Matches 1 and 2
(1,3)	Matches 2 (This is functionally equivalent to 2)
[1,$last_attempt)	Matches from 1 to the value of $last_attempt