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();
randomstring.generate(7);
randomstring.generate({
length: 12,
charset: 'alphabetic'
});
randomstring.generate({
charset: 'abc'
});
randomstring.generate({
charset: ['numeric', '!']
});
randomstring.generate({
charset: 'abc'
}, cb);
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]
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.