convert unicode characters to string

unicode_to_char.js

// ref: https://stackoverflow.com/questions/17267329/converting-unicode-character-to-string-format
function unicodeToChar(text) {
   return text.replace(/\\u[\dA-F]{4}/gi, 
          function (match) {
               return String.fromCharCode(parseInt(match.replace(/\\u/g, ''), 16));
          });
}