#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "((?<=Description\:[\r\n|\r|\n])(\d+\.|\-)\ (?P<desc>(.+)\.))|((?<=\.[\r\n|\r|\n])((\d+\.|\-)\ (?P<desc2>(.+)\.))(?=[\r\n|\r|\n](\d+\.|\-)|[\r\n|\r|\n]*Reference))"
Local $sString = "[FIX]: Fix bad wiring on plane 334, 335," & @CRLF & _
"and 336. Remove decorator for 446." & @CRLF & _
"" & @CRLF & _
"Description:" & @CRLF & _
"1. sadsadad." & @CRLF & _
"2. kjadhkahsdkahdjakdskashdkasjdsahdkhadhkasdhjkhaskd." & @CRLF & _
"3. djasdasdasdadkajdsjaskldjalkdjalsjdlajsdlkjasdlas." & @CRLF & _
"" & @CRLF & _
"Reference: #232" & @CRLF & _
"" & @CRLF & _
"([\d]+\. )(.*?)(?=([\d]+\.)|($))" & @CRLF & _
"" & @CRLF & _
"((?<=Description\:[\r\n|\r|\n])(\d+\.|\-)\ (?P<desc>(.+)\.))|((?<=\.[\r\n|\r|\n])((\d+\.|\-)\ (?P<desc2>(.+)\.))(?=[\r\n|\r|\n](\d+\.|\-)|[\r\n|\r|\n]*Reference))"
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