; Add Thousands Separator by infogulch ; http://www.autohotkey.com/forum/topic54149.html ThousandsSep(x, s=",") { return RegExReplace(x, "(?(?<=\.)(*COMMIT)(*FAIL))\d(?=(\d{3})+(\D|$))", "$0" s) } ; old version: RegExReplace(x, "(?(?<=\.)(*COMMIT)(*FAIL))(?<=\d)(\d{3})(?=(?:\d{3})*+(?:$|\.))", ",$1")