randomstring v1.3.0

node-randomstring

Library to help you create random strings.

Installation

To install randomstring, use npm:

npm install randomstring

Usage

var randomstring = require("randomstring");

randomstring.generate();
// >> "XwPp9xazJ0ku5CZnlmgAx2Dld8SHkAeT"

randomstring.generate(7);
// >> "xqm5wXX"

randomstring.generate({
  length: 12,
  charset: 'alphabetic'
});
// >> "AqoTIzKurxJi"

randomstring.generate({
  charset: 'abc'
});
// >> "accbaabbbbcccbccccaacacbbcbbcbbc"

randomstring.generate({
  charset: ['numeric', '!']
});
// >> "145132!87663611567!2486211!07856"

randomstring.generate({
  charset: 'abc'
}, cb);
// >> "cb(generatedString) {}"

API

randomstring.

• generate(options, cb)
  • options
    • length - the length of the random string. (default: 32) OPTIONAL
    • readable - exclude poorly readable chars: 0OIl. (default: false) OPTIONAL
    • charset - define the character set for the string. (default: 'alphanumeric') OPTIONAL
      • alphanumeric - 0-9 a-z A-Z
      • alphabetic - a-z A-Z
      • numeric - 0-9
      • hex - 0-9 a-f
      • binary - 01
      • octal - 0-7
      • custom - any given characters
      • [] - An array of any above
    • capitalization - define whether the output should be lowercase / uppercase only. (default: null) OPTIONAL
      • lowercase
      • uppercase
  • cb - Optional. If provided uses async version of crypto.randombytes

Command Line Usage

$ npm install -g randomstring

$ randomstring
> sKCx49VgtHZ59bJOTLcU0Gr06ogUnDJi

$ randomstring 7
> CpMg433

$ randomstring length=24 charset=github readable
> hthbtgiguihgbuttuutubugg

Tests

npm install
npm test

LICENSE

node-randomstring is licensed under the MIT license.