#include <StringConstants.au3> ; to declare the Constants of StringRegExp
#include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate
Local $sRegex = "(?<type>[A-Z]{1})(?<subtype>[A-Z<]{1})(?<issue_country>[A-Z]{3})(?<doc_number>[A-Z0-9<]{9})(?<check_sum>[0-9]{1})(?<first_optional>[A-Z0-9<]{15})\n(?<date_brith>[0-9]{6})(?<birth_check>[0-9{1}])(?<sex>[MF]{1})(?<expiration_date>[0-9]{6})(?<expiration_check>[0-9]{1})(?<nationality>[A-Z]{3})(?<second_optional>[A-Z0-9<]{11})(?<check_digit>[0-9]{1})\n(?<lname>[A-Z]+)(?<lname2><[A-Z]+){0,}<<(?<spacing>[<]{0,})(?<fname>[A-Z]+)(?<mname1><[A-Z]+){0,}(?<complement><.+){0,}"
Local $sString = "IDCHES0002068<8<<<<<<<<<<<<<<<" & @CRLF & _
"8102287F1301014CHE<<<<<<<<<<<4" & @CRLF & _
"VADIS<<QUO<<<<<<<<<<<<<<<<<<<<" & @CRLF & _
"" & @CRLF & _
"I<NLDXI020DF236123456783<<<<<<" & @CRLF & _
"7208148F1108268NLD<<<<<<<<<<<9" & @CRLF & _
"VAN<DER<STEEN<<MARIANNE<LOUISE"
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