#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)#\d+\s[A-Z]\d+(?:[,-]\s?[A-Z]\d+)*(?:;#\d+\s[A-Z]\d+(?:[,-]\s?[A-Z]\d+)*)*"
Local $sString = "#2 A4-B7;#4 A1,B9 or #66 A1 or #88 C7 or #9999 E78-F39 or #567 E74;#678 Q7" & @CRLF & _
"" & @CRLF & _
"#6 A1, B9, C7;#77 A89-Z78;#77 A89-Z78"
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