#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?m)\b[A-Z].*?\d{1,2}\.\d{1,2}\.\d{2,4}(?=\s+[A-Z]|$)"
Local $sString = "N678 à p. du 11.6.23 C+23.6.23 N−14.,24.7.23" & @CRLF & _
"" & @CRLF & _
"N678 N−12.,13.12.22,18.,19.,31.1.,9.2.,7. au 10.,13. au 17.,20.,21.,22.,28." & @CRLF & _
"au 31.3.,6.,13.,19.,20.4.,5.,8.5.23" & @CRLF & _
"" & @CRLF & _
"N68 du 12.6. au 3.9.23 C+23.6.,15.8.23 N-18.,25.6.,2.,17. au 21.,23. au 28.,31.7.,3.,4.,7.,8.,9.,27.8.23" & @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