## Comments

    # This is a single line comment
    /* This is a
    multi line comment */

## Numbers

    42
    42km
    3.754km_2
    16~BadFace
    36~azertyuiop0123456789

## Strings and interpolation

    ''
    ''''''
    ""
    """"""
    'Foo \' bar
    	baz'
    '''Foo \''' bar
    	bar'''
    "Foo #bar \"
    	#{2 + 2}\""
    """#foobar \""" #{ if /test/ == 'test' then 3 else 4}
    	baz"""

## Regex

    /foobar/ig
    //
    ^foo # foo
    [bar]*bA?z # barbaz
    //m

## Full example

    # example from Str.ls

    split = (sep, str) -->
      str.split sep

    join = (sep, xs) -->
      xs.join sep

    lines = (str) ->
      return [] unless str.length
      str.split '\n'

    unlines = (.join '\n')

    words = (str) ->
      return [] unless str.length
      str.split /[ ]+/

    unwords = (.join ' ')

    chars = (.split '')

    unchars = (.join '')

    reverse = (str) ->
      str.split '' .reverse!.join ''

    repeat = (n, str) -->
      result = ''
      for til n
        result += str
      result

    capitalize = (str) ->
      (str.char-at 0).to-upper-case! + str.slice 1

    camelize = (.replace /[-_]+(.)?/g, (, c) -> (c ? '').to-upper-case!)

    # convert camelCase to camel-case, and setJSON to set-JSON
    dasherize = (str) ->
        str
          .replace /([^-A-Z])([A-Z]+)/g, (, lower, upper) ->
             "#{lower}-#{if upper.length > 1 then upper else upper.to-lower-case!}"
          .replace /^([A-Z]+)/, (, upper) ->
             if upper.length > 1 then "#upper-" else upper.to-lower-case!

    module.exports = {
      split, join, lines, unlines, words, unwords, chars, unchars, reverse,
      repeat, capitalize, camelize, dasherize,
    }