A module that can return various types of random string

npm install random-string-alphanumeric-generator --save

var random = require('random-string-alphanumeric-generator');

random.randomAlphanumeric(10, "lowercase") //Returns b2pdk4bv98

random.randomLetters(10, "uppercase") //Returns ABHUISLCHF

• randomAlphanumeric
  Generates a random string of given length
  lettersIncluded optional field which can be one of following
  all (default): Includes uppercase letters lowercase letters and numbers
  lowercase: Includes lowercase letters and numbers
  uppercase: Includes uppercase letters and numbers
  

 random.randomAlphanumeric(10, lowercase) // uhf2m363l1
 random.randomAlphanumeric(10, uppercase) // DG8CXMZ21F
 random.randomAlphanumeric(10) // 5hiry73uV8

• randomLetters
  Generates a random string of given length
  lettersIncluded optional field which can be one of following
  all (default): Includes uppercase letters lowercase letters and numbers
  lowercase: Includes lowercase letters and numbers
  uppercase: Includes uppercase letters and numbers
  

  random.randomAlphanumeric(10, lowercase) // aqswedfrtg
  random.randomAlphanumeric(10, uppercase) // KINHBGFYRS
  random.randomAlphanumeric(10) // 5hiry73uV8 // KqjfrQNkth

• randomNumber
  Generates a random number of given length

  random.randomNumber(10) // 4369739553

• randomHex
  Generates a random hex of given length Includes only hex characters i.e [0-9 and a-f]

  random.randomHex(10) // 1dd12084e3

• randomBinary
  Generates a random binary string of given length Includes only binary characters i.e [0 and 1]

  random.randomBinary(10) // 1110011111

• randomOctal
  Generates a random octal string of given length Includes only octal characters i.e [0-7]

  random.randomOctal(10) // 2350150766

• customRandomString
  Generates a random string of given length Includes only characters given in customCharSet

  random.customRandomString(10, abcdef) // eadefcaffb

• getRandomPassword
  Generates a random string of given length Includes numbers, small letters, capital letters and special characters Second optional param as minimum number of special characters required

  random.getRandomPassword(10)     // JkCtzL*!Pd
  random.getRandomPassword(10, 2)  // $)FN3A#dP^

• getRandomPasswordStrict
  Generates a random string of given length Includes numbers, small letters, capital letters and special characters second optional param as fixed number of special characters required

  random.getRandomPasswordStrict(10, 3) // #TUjLFgdRg

• getRndFloat
  Generates random float between min(included) and max(excluded) numbers. Min: Default is 0 Max: Default is 1 Third optional param as number of digits after the decimal point default is 4

  random.getRndFloat(4, 5, 3) // 4.304

• getRndInteger
  Returns random integer between min(included) and max(excluded) numbers. Min: Default is 0 Max: Default is 100

  random.getRndInteger(5, 50) // 7

• getRndBoolean
  Generates random boolean true or false.

  random.getRndBoolean() // True or False