code: public static String getcompressedKeyword(Text keyword)
  	{
  		String compressedKeyword = "";
  		String key = keyword.getText();
  		String remove = " ()+,/:[]<>\"*";
  		for (int i = 0; i < key.length(); i++)
  		{
  			if (remove.indexOf(key.charAt(i)) == -1)
  			{
  				compressedKeyword = compressedKeyword + key.charAt(i);
  			}
  		}
  
  		return compressedKeyword.toUpperCase();
  	}
docs: /*
  FIX:remove if any special characters exists in keywords