Methods

Random::StringExtensions::Self

Class-level methods.

Public Instance Methods

random(max_length = 8, char_re = /[\w\d]/) click to toggle source

Returns a randomly generated string. One possible use is password initialization. Takes a max legnth of characters (default 8) and an optional valid char Regexp (default /wd/).

String.random    #~> 'dd4qed4r'

CREDIT George Moschovitis

# File lib/standard/facets/random.rb, line 353
def random(max_length = 8, char_re = /[\w\d]/)
  raise ArgumentError.new('char_re must be a regular expression!') unless char_re.is_a?(Regexp)
  string = ""
  while string.length < max_length
      ch = Random.number(255).chr
      string << ch if ch =~ char_re
  end
  return string
end

[Validate]

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