class Faker::Alphanumeric
Constants
- ALPHANUMS
-
List of characters allowed for alphanumeric strings @private
Public Class Methods
Source
# File lib/faker/default/alphanumeric.rb, line 22 def alpha(number: 32) char_count = resolve(number) return '' if char_count.to_i < 1 Array.new(char_count) { sample(self::LLetters) }.join end
Produces a random string of alphabetic characters (no digits)
@param number [Integer] The length of the string to generate
@return [String]
@example
Faker::Alphanumeric.alpha(number: 10) #=> "zlvubkrwga"
@faker.version 1.9.2
Source
# File lib/faker/default/alphanumeric.rb, line 46 def alphanumeric(number: 32, min_alpha: 0, min_numeric: 0) char_count = resolve(number) return '' if char_count.to_i < 1 raise ArgumentError, 'min_alpha must be greater than or equal to 0' if min_alpha&.negative? raise ArgumentError, 'min_numeric must be greater than or equal to 0' if min_numeric&.negative? return Array.new(char_count) { sample(ALPHANUMS) }.join if min_alpha.zero? && min_numeric.zero? raise ArgumentError, 'min_alpha + min_numeric must be <= number' if min_alpha + min_numeric > char_count random_count = char_count - min_alpha - min_numeric alphas = Array.new(min_alpha) { sample(self::LLetters) } numbers = Array.new(min_numeric) { sample(self::Numbers) } randoms = Array.new(random_count) { sample(ALPHANUMS) } combined = alphas + numbers + randoms shuffle!(combined).join end
Produces a random string of alphanumeric characters
@param number [Integer] The number of characters to generate @param min_alpha [Integer] The minimum number of alphabetic to add to the string @param min_numeric [Integer] The minimum number of numbers to add to the string
@return [String]
@example
Faker::Alphanumeric.alphanumeric(number: 10) #=> "3yfq2phxtb"
@example
Faker::Alphanumeric.alphanumeric(number: 10, min_alpha: 3) #=> "3yfq2phxtb"
@example
Faker::Alphanumeric.alphanumeric(number: 10, min_alpha: 3, min_numeric: 3) #=> "3yfq2phx8b"
@faker.version 2.1.3