A function to remove "bad" words from generated XKCD passwords.

badwords.txt

# Newline separated badwords filter using Regular expressions
assh.*
bitch.*
chink
cunt.*
daygo
dick.*
douche
fag.*
fatass
lesb.*
nigg.*
puss(y|ies)
retard
shemale
shit.*
skank.*
slut.*
wetback
whore.*

package.json

{ "name": "xkcd-z-password-nobadwords",
  "description": "efficient XKCD-z-password badword remover function",
  "main": "xkcd-nobad-password.js" }

xkcd-nobad-password.js

const fs = require('fs');
const path = require('path');
const xkcdPassword = require('xkcd-z-password');

let badwordsRaw = fs.readFileSync(path.join(__dirname, 'badwords.txt'))
.replace(/^(#|\/\/).+$/gm, '')
.replace(/\r?\n/g, '|')
.replace(/^\|+|\|+$|(\|)\|+/g, '$1')

let badwords = new RegExp(`^(${badwordsRaw})$`, 'gi')

module.exports = exports = xkcdPassword.init({
  numWords: 4, minLength: 5, maxLength: 8,
  filter(word) {
    return (
      word.length >= minLength
      && word.length <= maxLength
      && !badwords.test(word)
      // It's inefficient but still usable
    )
  }
});

exports.badwords = badwords;
exports.badwordsRaw = badwordsRaw;

Packaged:

• https://github.com/ZaneHannanAU/xkcd-z-password-nobad
• https://www.npmjs.com/package/xkcd-z-password-nobadwords