#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?mi)^\d*$|^(?:\d{1,3}(?:\.\d{3})*(?:,\d{1,5})?)$|^(?:\d{1,3}(?:,\d{3})*(?:\.\d{1,5})?)$|^(?:\d{1,3}(?: \d{3})*(?:[,.]\d{1,5})?)$"
Local $sString = "123" & @CRLF & _
"1.234.567" & @CRLF & _
"12.345.678" & @CRLF & _
"123.456.789" & @CRLF & _
"1.234.567,89" & @CRLF & _
"1.234,56789" & @CRLF & _
"1,2" & @CRLF & _
"0,123" & @CRLF & _
"1,234,567" & @CRLF & _
"12,345,678" & @CRLF & _
"123,456,789" & @CRLF & _
"1,234,567.89" & @CRLF & _
"1,234.56789" & @CRLF & _
"1.2" & @CRLF & _
"0.123" & @CRLF & _
"1 234 567" & @CRLF & _
"12 345 678" & @CRLF & _
"123 456 789" & @CRLF & _
"1 234 567,89" & @CRLF & _
"1 234 567.89" & @CRLF & _
"1 234,56789" & @CRLF & _
"1 234.56789"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH)
Local $aFullArray[0]
For $i = 0 To UBound($aArray) -1
_ArrayConcatenate($aFullArray, $aArray[$i])
Next
$aArray = $aFullArray
; Present the entire match result
_ArrayDisplay($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