#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(["'])(?:(?=(\\?))\2.)*?\1"
Local $sString = "Must match" & @CRLF & _
"--------" & @CRLF & _
""a"" & @CRLF & _
"'a a'" & @CRLF & _
"'a"a'" & @CRLF & _
""a''a"" & @CRLF & _
""a'\"\"'a"" & @CRLF & _
""\"\"\""" & @CRLF & _
"--------" & @CRLF & _
"" & @CRLF & _
"Must not match" & @CRLF & _
"--------" & @CRLF & _
""a" & @CRLF & _
""\"" & @CRLF & _
""a'" & @CRLF & _
"'a"" & @CRLF & _
"--------" & @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