var result = {
  success: false
};

var translation = crowdin.translation,
  solution = [];

function checkStr (str) {
  var massOfWords,
    indexUsedCount = -1,
    indexArr = [],
    tempIndex,
    wordsPattern = /[:A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]+/g
    massOfWords = translation.match(wordsPattern);

  for (var i = 1; i < massOfWords.length; i++) {
    if (massOfWords[i - 1].toLowerCase() === massOfWords[i].toLowerCase()) {
      for (indexUsedCount; indexUsedCount < i; indexUsedCount++) {
        tempIndex = wordsPattern.exec(translation).index;
        indexArr.push(tempIndex)
      }

      if (translation[tempIndex - 1] === translation[tempIndex + massOfWords[i].length]) {
        solution.push({
          from_pos: tempIndex - 1,
          to_pos: tempIndex + massOfWords[i].length,
          replacement: ''
        })
      } else {
        var punctuationArray = ['.', "'", '[', ']', '(', ')', '{', '}', '⟨', '⟩', ':', ',', '،', '、', '‒', '–', '—', '―', '…', '!', '.', '‹', '›', '«', '»', '‐', '-', '?', "'", "'", '“',
          '”', "'", '"', ';', '/', '⁄', '·', '&', '*', '@', '•', '^', '†', '‡', '°', '”', '¡', '¿', '※', '#', '№', '÷', '×', 'º', 'ª', '%', '‰', '+', '−', '=',
          '‱', '¶', '′', '″', '‴', '§', '~', '_', '|', '‖', '¦', '©', '℗', '®', '℠', '™', '¤', '₳', '฿', '₵', '¢', '₡', '₢', '$', '₫', '₯', '֏', '₠', '€', 'ƒ',
          '₣', '₲', '₴', '₭', '₺', '₾', 'ℳ', '₥', '₦', '₧', '₱', '₰', '£', '៛', '₽', '₹', '₨', '₪', '৳', '₸', '₮', '₩', '¥'
        ];

        if (translation[tempIndex - 1] === ' ' && punctuationArray.indexOf(translation[tempIndex + massOfWords[i].length]) !== -1) {
          solution.push({
            from_pos: tempIndex - 1,
            to_pos: tempIndex + massOfWords[i].length,
            replacement: ''
          })
        } else {
          if (i !== massOfWords.length - 1) {
            solution.push({
              from_pos: tempIndex,
              to_pos: tempIndex + massOfWords[i].length,
              replacement: ''
            })
          } else if (i === massOfWords.length - 1 && translation[tempIndex - 1] === ' ') {
            solution.push({
              from_pos: tempIndex - 1,
              to_pos: tempIndex + massOfWords[i].length,
              replacement: ''
            })
          } else if (i === massOfWords.length - 1 && translation[tempIndex - 1] !== ' ') {
            solution.push({
              from_pos: tempIndex,
              to_pos: tempIndex + massOfWords[i].length,
              replacement: ''
            })
          }
        }
      }
    }
  }
}

checkStr(translation);

if (Array.isArray(solution) && solution.length) {
  result.message = 'Duplicate words found in the translation.';
  result.fixes = solution
} else {
  result.success = true;
}

return result;