#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(?i)[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}"
Local $sString = "f36b9decc73e40bfb9a6250198a83fc0/SharePoint/source_28D4CE4DFC53AABB34B41E17BE9DEBBC/item__6761c90b-c1e0-4a91-b72c-e044e5b8cc56_1.0" & @CRLF & _
"" & @CRLF & _
"F36B9DECC73E40BFB9A6250198A83FC0/SHAREPOINT/SOURCE_28D4CE4DFC53AABB34B41E17BE9DEBBC/ITEM__6761C90B-C1E0-4A91-B72C-E044E5B8CC56_1.0"
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