A tiny, secure URL-friendly unique string ID generator.

Ruby implementation of original NanoID https://github.com/ai/nanoid

Into Gemfile / gems.rb add:

gem 'nanoid'

Size: 21 character length

Alphabet: _~0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ

require 'nanoid'

Nanoid.generate

require 'nanoid'

Nanoid.generate(size: 10)

require 'nanoid'

Nanoid.generate(alphabet: '1234567890abcdef')

require 'nanoid'

Nanoid.generate(size: 14, alphabet: '1234567890abcdef')