#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)^https:\/\/w{3}(.youtube.com)\/(watch\?|playlist\?)(v=\w*-?\w*&list=\w*)|(v=\w*-?\w*)|(list=\w*-?\w*)"
Local $sString = "https://www.youtube.com/watch?v=ba-HMvDn_vU&list=PLUl4u3cNGP60IKRN_pFptIBxeiMc0MCJP"
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