#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?s)<script(.*?)(?!<\/script>)(.*?)wrapperId={wrapper_id}(.*?)<\/script>"
Local $sString = "<script type="text/javascript"> var blah; </script><script id="bleh" type="text/javascript" src="//domain/test.js?siteid=270606&testmode=0&banner360=1&banner=0&placementid=0&tp=3&wrapperId={wrapper_id}" > </script>"
Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH)
; Present the entire match result
_ArrayDisplay($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