#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)File=[^=]+/(\w+=[^/]+)/([^_]+)[^:\s]*file\.xml(\.[^:\s]*):([^,\s]*)"
Local $sString = "Node=LTE03:File=/PMloc/dir22/XML/Network=ARX_ROOT_AO,Network=LTE,Network=Base,Manage=LTE,Element=LTE03/A20210115.1545+0530-1600+0530_Network=ARX_ROOT_AO,Network=LTE,Network=Base,Manage=LTE,Element=LTE03_file.xml.gz:Unit=U-3,Meter=1" & @CRLF & _
""
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