#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)(?<\n]*[\)\]`])[^()\n]*)big"
Local $sString = "Should Match: " & @CRLF & _
"I like `xx` big `xx` cakes" & @CRLF & _
"" & @CRLF & _
"I like big cakes" & @CRLF & _
"I like `big cakes" & @CRLF & _
"I like big` cakes" & @CRLF & _
"I like xx big xx cakes" & @CRLF & _
"I like ` xx big xx cakes" & @CRLF & _
"I like xx big xx` cakes" & @CRLF & _
"I like `xx` big `xx` cakes" & @CRLF & _
"" & @CRLF & _
"I like big cakes" & @CRLF & _
"I like ]big cakes" & @CRLF & _
"I like big] cakes" & @CRLF & _
"I like xx big xx cakes" & @CRLF & _
"I like ] xx big xx cakes" & @CRLF & _
"I like xx big xx] cakes" & @CRLF & _
"I like ]xx] big ]xx] cakes" & @CRLF & _
"" & @CRLF & _
"I like big cakes" & @CRLF & _
"I like (big cakes" & @CRLF & _
"I like big) cakes" & @CRLF & _
"I like xx big xx cakes" & @CRLF & _
"I like ( xx big xx cakes" & @CRLF & _
"I like xx big xx) cakes" & @CRLF & _
"I like (xx) big (xx) cakes" & @CRLF & _
"" & @CRLF & _
"Should not Match: " & @CRLF & _
"I like (big) cakes" & @CRLF & _
"I like (xx big xx) cakes"
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