new_contents: import PyICU
  def isThai(chr):
      cVal = ord(chr)
      if(cVal >= 3584 and cVal <= 3711):
          return True
      return False
  
  
  def icu(txt):
  	bd = PyICU.BreakIterator.createWordInstance(PyICU.Locale("th"))
  	bd.setText(txt)
  	lastPos = bd.first()
  	retTxt = ""
  	try:
  		while(1):
  			currentPos = next(bd)
  			retTxt += txt[lastPos:currentPos]
  			# เฉพาะภาษาไทยเท่านั้น
  			if(isThai(txt[currentPos - 1])):
  				if(currentPos < len(txt)):
  					if(isThai(txt[currentPos])):
                          # คั่นคำที่แบ่ง
  						retTxt += ','
  			lastPos = currentPos
  	except StopIteration:
  		pass
  	return txt  # (','.join(str(x) for x in txt))  # แยกออกมาเป็น list
  
subject: Create pyicu.py