ValueWithCommas:=FormatAddCommas(NumberWithoutCommas)

1.  ValueWithCommas:=FormatAddCommas(NumberWithoutCommas) 

AddCommas(val)
	{
	  val:= RegExReplace(val, "(\d)(?=(?:\d{3})+(?:\.|$))", "$1,")
	  Return val
 	}

1.  AddCommas(val) 
2.      { 
3.        val:= RegExReplace(val, "(\d)(?=(?:\d{3})+(?:\.|$))", "$1,") 
4.        Return val 
5.       } 

AddCommas(val)
	{
	  val:= RegExReplace(val, "(?(?

1.  AddCommas(val) 
2.      { 
3.        val:= RegExReplace(val, "(?(? 

CommaAdd(num) {

  VarSetCapacity(fNum,32)
  DllCall("GetNumberFormat",UInt,0x0409,UInt,0,Str,Num,UInt,0,Str,fNum,Int,32)
  return SubStr(fNum,1,StrLen(fNum) - 3)

}

1.  CommaAdd(num) { 
2.   
3.    VarSetCapacity(fNum,32) 
4.    DllCall("GetNumberFormat",UInt,0x0409,UInt,0,Str,Num,UInt,0,Str,fNum,Int,32) 
5.    return SubStr(fNum,1,StrLen(fNum) - 3) 
6.   
7.  }