#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(^[putdn])(_[a-zA-Z]+?[a-zA-Z0-9]*)(\.[a-zA-Z0-9]+)?(.Delta|.Snapshot|.Event)(D|W|M|BM|Q|Y)?(_v\d+.\d+)(_\d{4,8})?(_D\d+)(_[a-zA-Z]+[a-zA-Z0-9]*)"
Local $sString = "p_SPEC.operation.DeltaD_v13.0_20181110_D1_sourceSystemA.zip" & @CRLF & _
"p_SPEC.operation.DeltaD_v13.0_20181110_D1_sourceSystemA.zip" & @CRLF & _
"p_SPEC.operation.DeltaD_v13.0_20181110_D1_sourceSystemA_A_N10_packageName" & @CRLF & _
"p_SPEC.operation.Delta_v13.0_20181110_D1_sourceSystemA.zip" & @CRLF & _
"p_SPEC.Delta_v13.0_20181110_D1_sourceSystemA.zip" & @CRLF & _
"p_SPEC.Delta_v13.0_20181110_D1.zip"
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