parse-numeric-range
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    1.3.0 • Public • Published

    node-parse-numeric-range

    Parses expressions like 1-10,20-30. Returns an energetic (as opposed to lazy) array.

    Supported Expressions

    Comprehensive supported expression examples:

    Expression result
    []
    1 [1]
    1,2 [1,2]
    -10 [-10]
    -3,-3 [-3, -3]
    -1-2,-2 [-1,0,1,2,-2]
    -1--2 [-1,-2]
    -1..2,-2 [-1,0,1,2,-2]
    -1...3,-2 [-1,0,1,2,-2]
    1⋯3 [1,2]
    1…3 [1,2]
    1‥3 [1,2,3]

    What's this useful for? Well, letting users input these sorts of things and then making them programmatically useful.

    Usage

    First, npm install parse-numeric-range.

    const rangeParser = require("parse-numeric-range");
    
    const numbers = rangeParser("4,6,8-10,12,14..16,18,20...23");
    
    console.log(
      `The first ${numbers.length} composite numbers are: ${numbers.join(", ")}`,
    );

    ES6

    import rangeParser from "parse-numeric-range";
    
    const numbers = rangeParser("4,6,8-10,12,14..16,18,20...23");
    
    console.log(
      `The first ${numbers.length} composite numbers are: ${numbers.join(", ")}`,
    );

    Install

    npm i parse-numeric-range

    DownloadsWeekly Downloads

    132,536

    Version

    1.3.0

    License

    ISC

    Unpacked Size

    5.44 kB

    Total Files

    7

    Last publish

    Collaborators

    • euank