#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(\bWF(?!.*(NR|TS|CD|TX))(?!.*MS[0-9]{4}SU)[A-Z]{3,4}_[A-Z_]*\b)(?!\')"
Local $sString = "// YES" & @CRLF & _
"WFFGRP_FUNCTION_GROUP" & @CRLF & _
"WFUIDV_USERID_VALIDATION" & @CRLF & _
"WFNOTE_NOTE" & @CRLF & _
"WFRIMH_REQUEST_IMPLEMENTATION_HISTORY" & @CRLF & _
"WFUIDV_USERID_VALIDATION U" & @CRLF & _
"" & @CRLF & _
"// NO" & @CRLF & _
"WFFGRP_TOKEN_NR" & @CRLF & _
"WFTQUE_CREATION_TS BETWEEN @StartDate AND @EndDate" & @CRLF & _
"'WFSOMETHING'" & @CRLF & _
"WFUIDV_MS1234SU" & @CRLF & _
"WFQUEUE" & @CRLF & _
"WFRQST_CREATE_SOURCE_TX" & @CRLF & _
"WFRQST_CREATE_SOURCE_TYPE_CD" & @CRLF & _
"WFRQST_LAST_UPDATE_TS"
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