0.1.1 • Published 9 years ago
jsrange v0.1.1
jsrange
An extremely simple range lib, for expanding "1..3,5..7"-like strings into 1, 2, 3, 5, 6, 7
Install
npm install --save jsrange
Examples
var range = require('jsrange');
// Every even number from 2 to 100:
range("2 .. 100 x 2");
// -20 to 30, stepping by 3 each time:
range("-20 .. 30 x 3");
// 2, 10, and 11:
range("2, 10, 11");
// 20 down to 12, then 12 back to 20 by 3s:
range("20 .. 12, 12 .. 20 x 3");
Specifics on Syntax
- You have any number of
,
-deliminated sections. Each section will be represented in the result, in order. - Each section should be one of these types:
- A single value.(eg:
"5"
or"-20"
.) - A start and an end value separated by
..
.(eg:"1..42"
or"7 .. -13"
) - A start and an end value separated by
..
, with a positive step value after ax
.(eg:"1 .. 10 x 3"
or"22 .. -13 x 5"
)
- A single value.(eg:
License
MIT