#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?mx)(?:^(?=(?:.+\R){4,}.+(?:\R^$|\Z)).{4}\K.{2} | \G(?=(?:.+\R){4,}.+(?:\R^$|\Z)).+\K.{2}(?=.{4}$))" & @CRLF & _
"| ^(?=(?:.+\R){3}.+(?:\R^$|\Z)).{2} | \G(?=(?:.+\R){3}.+(?:\R^$|\Z)).+\K.{2}(?=$)" & @CRLF & _
"| ^(?=(?:.+\R){2}.+(?:\R^$|\Z)).\K.{2} | \G(?=(?:.+\R){2}.+(?:\R^$|\Z)).+\K.{2}(?=.$)" & @CRLF & _
"| ^(?=(?:.+\R).+(?:\R^$|\Z)).{2}\K.{2} | \G(?=(?:.+\R).+(?:\R^$|\Z)).+\K.{2}(?=.{2}$)" & @CRLF & _
"| ^(?=(?:.+(?:\R^$|\Z))).{3}\K.+(?=.{3}(?:\R^$|\Z))"
Local $sString = "aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"aaaaaaaaaaaaaaaaaaaa" & @CRLF & _
"" & @CRLF & _
"sdaffdsdfsdsfaadd" & @CRLF & _
"afdsafdsfssdsfdfs" & @CRLF & _
"afdsfdssdfdssfdsf" & @CRLF & _
"asfddsfafsdfdsdsf" & @CRLF & _
"asfdsdfafdsafasdf" & @CRLF & _
"" & @CRLF & _
"hellohellohellohellohello" & @CRLF & _
"hellohellohellohellohello" & @CRLF & _
"hellohellohellohellohello" & @CRLF & _
"hellohellohellohellohello" & @CRLF & _
"hellohellohellohellohello" & @CRLF & _
"hellohellohellohellohello" & @CRLF & _
"" & @CRLF & _
" " & @CRLF & _
" " & @CRLF & _
" " & @CRLF & _
" " & @CRLF & _
" " & @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