#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "^(((\d+)(\.\d{3})*(,\d{2}))|(\d*))$"
Local $sString = "234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343452342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343452342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454323423423423235353453445345534345432342342342323535345344534553434543234234234232353534534453455343454.238.890,00"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH)
; Present the entire match result
_ArrayDisplay($aArray, "Result")
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm