#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?x)(?(DEFINE)" & @CRLF & _
" (?<END>\n\n|$)" & @CRLF & _
" (?<LINE>\n.++)" & @CRLF & _
")" & @CRLF & _
"(?!.{7}).(*SKIP).(?=(?:....(?&LINE){3,}|..|.(?&LINE)|(?&LINE){2})(?&LINE)(?&END))" & @CRLF & _
"|(?<=\n)(*SKIP)..(?=.++(?&LINE){3}(?&END))" & @CRLF & _
"|(?<=\n.)(*SKIP)..(?=.++(?&LINE){2}(?&END))" & @CRLF & _
"|(?<=\n..)(*SKIP)..(?=.++(?&LINE)(?&END))" & @CRLF & _
"|(?<=\n...)(*SKIP)(?=.++(?&END)).+(?=...(?&END))" & @CRLF & _
"|(?:(?<=\n....)|(?<=^....))..(*SKIP)(?=.++(?&LINE){4})"
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