soundex with Russian launguage support js version

soundex2.js

var rules = [
  [/[aehiouy]/g, ''],
  [/[йуеёыахоэяиюьъ]/g, ''],
  [/[с]?тч/g, 'щ'],
  [/rl/g, 'r'],
  [/[bfpvw]/g, '1'],
  [/[бфпв]/g, '1'],
  [/[cgjkqsxz]/g, '2'],
  [/[цжкзсг]/g, '2'],
  [/[dt]/g, '3'],
  [/[дтщшч]/g, '3'],
  [/[l]/g, '4'],
  [/[л]/g, '4'],
  [/[mn]/g, '5'],
  [/[мн]/g, '5'],
  [/[r]/g, '6'],
  [/[р]/g, '6'],
  [/([0-9])(\1{1,})/g, '$1']
]

exports.rules = rules

var soundex = function(word) {
  var result = word.toLowerCase();
  rules.forEach(function(rule) {
    result = result.replace(rule[0], rule[1])
  })
  return result
}

exports.soundex = soundex