Index: graphspell-js/str_transform.js
==================================================================
--- graphspell-js/str_transform.js
+++ graphspell-js/str_transform.js
@@ -68,14 +68,11 @@
     },
 
     cleanWord: function (sWord) {
         // word clean for the user who make commun and preditive error help suggest
         // remove letters repeated more than 2 times
-        if (sWord.match(/(.)(\1){2,}/igm)){
-            sWord = sWord.replace(/(.*)(.)(.\2)/igm,'$1$2').replace(/(.)(\1)+/igm,'$1$1');
-        }
-        return sWord;
+        return sWord.replace(/(.)\1{2,}/ig,'$1$1');
     },
 
     _xTransNumbersToExponent: new Map([
         ["0", "⁰"], ["1", "¹"], ["2", "²"], ["3", "³"], ["4", "⁴"], ["5", "⁵"], ["6", "⁶"], ["7", "⁷"], ["8", "⁸"], ["9", "⁹"]
     ]),