#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "oz(3[4-9]|[4-9][0-9]|[1-9][0-9]{2}|[12][0-9]{3}|3[0-8][0-9]{2}|39[0-7][0-9]|398[0-2])"
Local $sString = "oz31 oz32 oz33 oz34 oz35 oz55 oz100 oz123 oz999 oz1000 oz2000 oz3000 oz3981 oz3982 oz3983"
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