#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)^(AB|AG|AR|B|BC|BH|BN|BR|BT|BV|BZ|CJ|CL|CS|CT|CV|DB|DJ|GJ|GL|GR|HD|HR|IF|IL|IS|MH|MM|MS|NT|OT|PH|SB|SJ|SM|SV|TL|TM|TR|VL|VN|VS)[0-9]{3}[A-Z]{3}$"
Local $sString = ""
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