[ABAP] RegEx – Hausnummern und Straßennamen aus String filtern

* https://regex101.com/

* Straße des 17. Juni 100/a
* Hauptstrasse 22-1
* Kleiner Weg 3
* Berliner Strasse 22 - 24 A
* Hermann-Weise-Weg 11b

DATA: lv_in TYPE string VALUE 'Straße des 17. Juni 100/a'.

* suchen nach Hausnummern in String
DATA(matcher) = cl_abap_matcher=>create( pattern = '\s[0-9]{1,}[\/ \-0-9a-zA-Z]*'
                                         text = lv_in
                                         ignore_case = abap_true ).

* Tabelle mit Suchergebnissen
DATA(it_matches) = matcher->find_all( ).

IF NOT it_matches IS INITIAL.
* der letzte Eintrag sollte die Hausnummer sein
  DATA(lv_last_entry) = it_matches[ lines( it_matches ) ].

* Straße
  WRITE: / substring( val = lv_in
                      off = 0
                      len = lv_last_entry-offset ).

* Hausnummer
  WRITE: / substring( val = lv_in
                      off = lv_last_entry-offset + 1
                      len = lv_last_entry-length - 1 ).
ENDIF.

[ABAP] RegEx – Postleitzahl (PLZ) und Ort aus String filtern

* https://regex101.com/

* 12345 Berlin
* D12345 Berlin
* D-12345 Berlin
* D 12345 Berlin
* d12345 Berlin
* d-12345 Berlin
* d 12345 Berlin
* D-12345 Berlin-Tegel
* D-12345 Berlin (Bezirk Tegel)

DATA: lv_in TYPE string VALUE 'D-12345 Berlin (Bezirk Tegel)'.

DATA(matcher) = cl_abap_matcher=>create( pattern = '^(?:[Dd][- ]?)?\d{5}\s'
                                         text = lv_in
                                         ignore_case = abap_true ).

DATA(it_matches) = matcher->find_all( ).

IF NOT it_matches IS INITIAL.
* der erste Eintrag sollte die PLZ sein
  DATA(lv_plz) = it_matches[ 1 ].

* PLZ
  WRITE: / substring( val = lv_in
                      off = lv_plz-offset
                      len = lv_plz-length - 1 ).

* Ort
  WRITE: / substring( val = lv_in
                      off = lv_plz-length
                      len = strlen( lv_in ) - lv_plz-length ).
ENDIF.

[ABAP] HTTP-Client Anfrage (cl_http_client)

Testprogramm: RSHTTP20

Variante 1 (HTTP-Alias)

* mit SM59 einrichten
DATA: lv_http_dest TYPE rfcdest VALUE 'HTTP_ALIAS'.

DATA: o_client TYPE REF TO if_http_client.

DATA: lv_http_rc TYPE i.
DATA: lv_reason TYPE string.

TRY.
    cl_http_client=>create_by_destination( EXPORTING
                                             destination = lv_http_dest
                                           IMPORTING
                                             client      = o_client ).

    o_client->request->set_method( if_http_request=>co_request_method_get ).

    o_client->send( ).

    o_client->receive( ).

    o_client->response->get_status( IMPORTING
                                      code   = lv_http_rc
                                      reason = lv_reason ).

    IF lv_http_rc = 200.
      DATA(lv_xml) = o_client->response->get_cdata( ).

      cl_abap_browser=>show_xml( xml_string = lv_xml
                                 title      = 'XML-Daten'
                                 size       = cl_abap_browser=>large ).
    ELSE.
      WRITE: / 'Fehler: ', lv_http_rc.
    ENDIF.

    o_client->close( ).

  CATCH cx_root INTO DATA(e_txt).
    WRITE: / e_txt->get_text( ).
ENDTRY.

Variante 2 (URL)

TRY.
    DATA: lv_url TYPE string VALUE 'http://www.google.de/'.

    DATA: o_client TYPE REF TO if_http_client.

    cl_http_client=>create_by_url( EXPORTING
                                     url     = lv_url
                                   IMPORTING
                                     client  = o_client ).

    IF o_client IS BOUND.
      o_client->authenticate( username = ''
                              password = '' ).

      o_client->propertytype_logon_popup = o_client->co_enabled.

      o_client->request->set_version( version = if_http_request=>co_protocol_version_1_0 ).

*      o_client->request->set_method( if_http_request=>co_request_method_get ).

      o_client->request->set_header_field( name  = '~request_method'
                                           value = 'GET' ).

      o_client->request->set_header_field( name  = 'Content-Type'
                                           value = 'text/xml; charset=utf-8' ).

      o_client->request->set_header_field( name  = 'Accept'
                                           value = 'text/xml, text/html' ).

      o_client->send( ).

      o_client->receive( ).

      DATA: lv_http_status TYPE i.
      DATA: status_text TYPE string.

      o_client->response->get_status( IMPORTING
                                        code   = lv_http_status
                                        reason = status_text ).

      WRITE: / 'HTTP_STATUS_CODE:', lv_http_status.
      WRITE: / 'STATUS_TEXT:', status_text.

      DATA(lv_raw_message) = o_client->response->get_raw_message( ).
      DATA: lv_str_msg TYPE string.

* xstring -> string
      DATA(o_conv_r) = cl_abap_conv_in_ce=>create( input    = lv_raw_message
                                                   encoding = 'UTF-8' ).
                                                   
      o_conv_r->read( IMPORTING data = lv_str_msg ).

      WRITE: / 'RAW MESSAGE:', lv_str_msg.

      IF lv_http_status = 200.
        DATA(lv_result) = o_client->response->get_cdata( ).

        WRITE: / lv_result.
      ENDIF.

    ENDIF.
  CATCH cx_root.
ENDTRY.

Weiterführende Infos: Link und Link

[ABAP] Interne Tabellen im Format Office Open XML (SpreadsheetML) speichern

Beispiel für die Nutzung des Office Open XML (SpreadsheetML) Formates zur Datenausgabe von Nutzdaten aus internen Tabellen.

Links

Wikipedia – Office Open XML
Wikipedia – SpreadsheetML
SAP ABAP Doku
Beispiel 1
Beispiel 2

Beispiel – Speicherung Daten beliebiger interner Tabellen in eine von Microsoft Office Excel lesbare XML-Datei

* Dateien können ab Microsoft Office Excel 2002 / 2003 geöffnet werden
DATA: it_spfli TYPE STANDARD TABLE OF spfli.
DATA: gv_company TYPE string VALUE 'codezentrale.bplaced.net'.
DATA: gv_user TYPE string VALUE 'Testuser'.
DATA: gv_sheetname TYPE string VALUE 'SPFLI'.

INITIALIZATION.
* Daten holen
  SELECT * FROM spfli INTO TABLE @it_spfli.

START-OF-SELECTION.

  DATA: o_cell TYPE REF TO if_ixml_element.
  DATA: o_data TYPE REF TO if_ixml_element.

* Tabellenstruktur
  DATA(o_table_descr) = CAST cl_abap_tabledescr( cl_abap_tabledescr=>describe_by_data( it_spfli ) ).

* Struktur einer Tabellenzeile
  DATA(o_struct_descr) = CAST cl_abap_structdescr( o_table_descr->get_table_line_type( ) ).

* Komponenten (Spalten) einer Zeile
  DATA(it_comp_tab) = o_struct_descr->get_components( ).

* Anzahl Spalten
  DATA(lv_colcount) = lines( it_comp_tab ).

* ixml Factory
  DATA(o_ixml) = cl_ixml=>create( ).

* Encoding UTF-8
  DATA(o_encoding) = o_ixml->create_encoding( character_set = 'UTF-8'
                                              byte_order = if_ixml_encoding=>co_none ).

* DOM Object Model
  DATA(o_doc) = o_ixml->create_document( ).

* Processing Instructions setzen
* damit die XML-Datei gleich vom Windows als Excel-XML erkannt und korrekt geöffnet wird
  DATA(o_pi) = o_doc->create_pi_parsed( name = 'mso-application' ).
  o_pi->set_attribute( name = 'progid' value = 'Excel.Sheet' ).
  o_doc->append_child( o_pi ).

* Workbook
  DATA(o_workbook) = o_doc->create_simple_element( name = 'Workbook' parent = o_doc ).
  o_workbook->set_attribute( name = 'xmlns' value ='urn:schemas-microsoft-com:office:spreadsheet' ).
  o_workbook->set_attribute_node( o_doc->create_namespace_decl( name = 'o' prefix = 'xmlns' uri = 'urn:schemas-microsoft-com:office:office') ).
  o_workbook->set_attribute_node( o_doc->create_namespace_decl( name = 'x' prefix = 'xmlns' uri = 'urn:schemas-microsoft-com:office:excel' ) ).
  o_workbook->set_attribute_node( o_doc->create_namespace_decl( name = 'ss' prefix = 'xmlns' uri = 'urn:schemas-microsoft-com:office:spreadsheet') ).
  o_workbook->set_attribute_node( o_doc->create_namespace_decl( name = 'html' prefix = 'xmlns' uri = 'http://www.w3.org/TR/REC-html40') ).

* DocumentProperties
* Zeitstempel erzeugen
  DATA: lv_tsl TYPE timestampl.
  GET TIME STAMP FIELD lv_tsl.
  DATA(lv_created) = |{ substring( val = |{ lv_tsl TIMESTAMP = ISO }| off = 0 len = 19 ) }Z|.

  DATA(o_prop) = o_doc->create_simple_element( name = 'DocumentProperties' parent = o_workbook ).
  o_prop->set_attribute( name = 'xmlns' value ='urn:schemas-microsoft-com:office:office' ).
  o_doc->create_simple_element( name = 'Author' value = gv_user parent = o_prop ).
  o_doc->create_simple_element( name = 'LastAuthor' value = gv_user parent = o_prop ).
  o_doc->create_simple_element( name = 'Created' value = lv_created parent = o_prop ).
  o_doc->create_simple_element( name = 'Company' value = gv_company parent = o_prop ).
  o_doc->create_simple_element( name = 'Version' value = '14.00' parent = o_prop ).

* OfficeDocumentSettings
  DATA(o_set) = o_doc->create_simple_element( name = 'OfficeDocumentSettings' parent = o_workbook ).
  o_set->set_attribute( name = 'xmlns' value ='urn:schemas-microsoft-com:office:office' ).
  o_doc->create_simple_element( name = 'AllowPNG' parent = o_set ).

* ExcelWorkbook
  DATA(o_excelwb) = o_doc->create_simple_element( name = 'ExcelWorkbook' parent = o_workbook ).
  o_excelwb->set_attribute( name = 'xmlns' value ='urn:schemas-microsoft-com:office:excel' ).
  o_doc->create_simple_element( name = 'ProtectStructure' value = 'False' parent = o_excelwb ).
  o_doc->create_simple_element( name = 'ProtectWindows' value = 'False' parent = o_excelwb ).

* Styles
  DATA(o_styles) = o_doc->create_simple_element( name = 'Styles' parent = o_workbook ).

* "Default" Style
  DATA(o_style_default) = o_doc->create_simple_element( name = 'Style' parent = o_styles ).
  o_style_default->set_attribute_ns( name = 'ID' prefix = 'ss' value = 'Default' ).
  o_style_default->set_attribute_ns( name = 'Name' prefix = 'ss' value = 'Normal' ).
  DATA(o_align) = o_doc->create_simple_element( name = 'Alignment' parent = o_style_default ).
  o_align->set_attribute_ns( name = 'Vertical' prefix = 'ss' value = 'Bottom' ).
  DATA(o_borders) = o_doc->create_simple_element( name = 'Borders' parent = o_style_default ).
  DATA(o_font) = o_doc->create_simple_element( name = 'Font' parent = o_style_default ).
  o_font->set_attribute_ns( name = 'FontName' prefix = 'ss' value = 'Arial' ).
  o_font->set_attribute_ns( name = 'Family' prefix = 'x' value = 'Swiss' ).
  o_font->set_attribute_ns( name = 'Size' prefix = 'ss' value = '11' ).
  o_font->set_attribute_ns( name = 'Color' prefix = 'ss' value = '#000000' ).
  DATA(o_interior) = o_doc->create_simple_element( name = 'Interior' parent = o_style_default ).
  DATA(o_numberformat) = o_doc->create_simple_element( name = 'NumberFormat' parent = o_style_default ).
  DATA(o_protection) = o_doc->create_simple_element( name = 'Protection' parent = o_style_default ).

* Bold Style "s62" für die Überschrift
  DATA(o_style_bold) = o_doc->create_simple_element( name = 'Style' parent = o_styles ).
  o_style_bold->set_attribute_ns( name = 'ID' prefix = 'ss' value = 's62' ).
  DATA(o_font_bold) = o_doc->create_simple_element( name = 'Font' parent = o_style_bold ).
  o_font_bold->set_attribute_ns( name = 'FontName' prefix = 'ss' value = 'Arial' ).
  o_font_bold->set_attribute_ns( name = 'Family' prefix = 'x' value = 'Swiss' ).
  o_font_bold->set_attribute_ns( name = 'Size' prefix = 'ss' value = '11' ).
  o_font_bold->set_attribute_ns( name = 'Color' prefix = 'ss' value = '#000000' ).
  o_font_bold->set_attribute_ns( name = 'Bold' prefix = 'ss' value = '1' ).

* Worksheet "SPFLI" einfügen
  DATA(o_sheet1) = o_doc->create_simple_element( name = 'Worksheet' parent = o_workbook ).
  o_sheet1->set_attribute_ns( name = 'Name' prefix = 'ss' value = gv_sheetname ).

* WorksheetOptions
  DATA(o_ws_opt) = o_doc->create_simple_element( name = 'WorksheetOptions' parent = o_sheet1 ).
  o_ws_opt->set_attribute( name = 'xmlns' value = 'urn:schemas-microsoft-com:office:excel' ).

  o_doc->create_simple_element( name = 'Selected' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'ProtectObjects' value = 'False' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'ProtectScenarios' value = 'False' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'SplitHorizontal' value = '1' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'TopRowBottomPane' value = '1' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'FreezePanes' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'FrozenNoSplit' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'Unsynced' parent = o_ws_opt ).
  o_doc->create_simple_element( name = 'ActivePane' value = '2' parent = o_ws_opt ).

* Page Setup
  DATA(o_ps) = o_doc->create_simple_element( name = 'PageSetup' parent = o_ws_opt ).
  DATA(o_ps_header) = o_doc->create_simple_element( name = 'Header' parent = o_ps ).
  o_ps_header->set_attribute_ns( name = 'Margin' prefix = 'x' value = '0.3' ).
  DATA(o_ps_footer) = o_doc->create_simple_element( name = 'Footer' parent = o_ps ).
  o_ps_footer->set_attribute_ns( name = 'Margin' prefix = 'x' value = '0.3' ).
  DATA(o_ps_margins) = o_doc->create_simple_element( name = 'PageMargins' parent = o_ps ).
  o_ps_margins->set_attribute_ns( name = 'Bottom' prefix = 'x' value = '0.7' ).
  o_ps_margins->set_attribute_ns( name = 'Left' prefix = 'x' value = '0.7' ).
  o_ps_margins->set_attribute_ns( name = 'Right' prefix = 'x' value = '0.7' ).
  o_ps_margins->set_attribute_ns( name = 'Top' prefix = 'x' value = '0.7' ).

* Splitter für Header / Data definieren
  o_doc->create_simple_element( name = 'x:Selected' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:FreezePanes' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:FrozenNoSplit' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:Unsynced' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:ProtectObjects' value = 'False' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:ProtectScenarios' value = 'False' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:SplitHorizontal' value = '1' parent = o_ps ).
  o_doc->create_simple_element( name = 'x:TopRowBottomPane' value = '1' parent = o_ps ).

* Named Range für Filter definieren
  DATA(o_names) = o_doc->create_simple_element( name = 'Names' parent = o_sheet1 ).
  DATA(o_named_range) = o_doc->create_simple_element( name = 'NamedRange' parent = o_names ).
  o_named_range->set_attribute_ns( name = 'Name' prefix = 'ss' value = '_FilterDatabase' ).
  o_named_range->set_attribute_ns( name = 'RefersTo' prefix = 'ss' value = |=Sheet1!R1C1:R1C{ lv_colcount }| ). " Spalte 1-x als Range "_FilterDatabase" definieren
  o_named_range->set_attribute_ns( name = 'Hidden' prefix = 'ss' value = '1' ).

* Autofilter aktivieren
  DATA(o_autofilter) = o_doc->create_simple_element( name = 'AutoFilter' parent = o_sheet1 ).
  o_autofilter->set_attribute_ns( name = 'Range' prefix = 'x' value = |R1C1:R1C{ lv_colcount }| ).              " Spalte 1-x als Filter-Range definieren
  o_autofilter->set_attribute_ns( name = 'xmlns' value = 'urn:schemas-microsoft-com:office:excel' ).

* Table für Header und Daten
  DATA(o_table) = o_doc->create_simple_element( name = 'Table' parent = o_sheet1 ).
  o_table->set_attribute_ns( name = 'FullColumns' prefix = 'x' value = '1' ).
  o_table->set_attribute_ns( name = 'FullRows' prefix = 'x' value = '1' ).
  o_table->set_attribute_ns( name = 'DefaultColumnWidth' prefix = 'x' value = '66' ).
  o_table->set_attribute_ns( name = 'DefaultRowHeight' prefix = 'x' value = '14.25' ).
  o_table->set_attribute_ns( name = 'DefaultColumnWidth' prefix = 'ss' value = '66' ).
  o_table->set_attribute_ns( name = 'DefaultRowHeight' prefix = 'ss' value = '14.25' ).

* Header (Tabellenüberschriften) einfügen
  DATA(o_hrow) = o_doc->create_simple_element( name = 'Row' parent = o_table ).

  LOOP AT it_comp_tab ASSIGNING FIELD-SYMBOL(<fs_comp>).
    o_cell = o_doc->create_simple_element( name = 'Cell' parent = o_hrow ).
    o_cell->set_attribute_ns( name = 'StyleID' prefix = 'ss' value = 's62' ). " Style Bold
* nur elementare Datentypen zulassen
    IF <fs_comp>-type->kind = cl_abap_typedescr=>kind_elem.
      o_doc->create_simple_element( name = 'Data' value = <fs_comp>-name parent = o_cell )->set_attribute_ns( name = 'Type' prefix = 'ss' value = 'String' ).
    ELSE.
* alle anderen Spalten mit Strukturen, INCLUDES usw. einfach als DEEP kennzeichnen, Inhalt bleibt leer
      o_doc->create_simple_element( name = 'Data' value = 'DEEP' parent = o_cell )->set_attribute_ns( name = 'Type' prefix = 'ss' value = 'String' ).
    ENDIF.
* Named Range "_FilterDatabase" für Filter setzen
    o_doc->create_simple_element( name = 'NamedCell' parent = o_cell )->set_attribute_ns( name = 'Name' prefix = 'ss' value = '_FilterDatabase' ).
  ENDLOOP.

* Daten einfügen
  LOOP AT it_spfli ASSIGNING FIELD-SYMBOL(<fs_line>).
    DATA(o_row_data) = o_doc->create_simple_element( name = 'Row' parent = o_table ).

    o_struct_descr ?= cl_abap_structdescr=>describe_by_data( <fs_line> ).

    LOOP AT o_struct_descr->get_components( ) ASSIGNING FIELD-SYMBOL(<fs_comp2>).

      o_cell = o_doc->create_simple_element( name = 'Cell' parent = o_row_data ).

* nur elementare Datentypen zulassen, andernfalls gibts Exceptions bei der String-Konvertierung
* die Spalten mit kennzeichnung "DEEP" bleiben in der Ausgabe somit leer
      IF <fs_comp2>-type->kind = cl_abap_typedescr=>kind_elem.
        ASSIGN COMPONENT <fs_comp2>-name OF STRUCTURE <fs_line> TO FIELD-SYMBOL(<fs_cell>).

        IF <fs_cell> IS ASSIGNED.
          DATA: lv_data_type TYPE string.
          DATA(lv_typekind) = cl_abap_elemdescr=>get_data_type_kind( <fs_cell> ).

          CASE lv_typekind.
            WHEN cl_abap_typedescr=>typekind_time OR cl_abap_typedescr=>typekind_date OR cl_abap_typedescr=>typekind_string OR cl_abap_typedescr=>typekind_char.
              lv_data_type = 'String'.
            WHEN cl_abap_typedescr=>typekind_num OR cl_abap_typedescr=>typekind_packed OR cl_abap_typedescr=>typekind_int OR cl_abap_typedescr=>typekind_float.
              lv_data_type = 'Number'.
            WHEN OTHERS.
              lv_data_type = 'String'.
          ENDCASE.

          o_data = o_doc->create_simple_element( name = 'Data' value = |{ <fs_cell> }| parent = o_cell ).
          o_data->set_attribute_ns( name = 'Type' prefix = 'ss' value = lv_data_type ).
        ENDIF.
      ENDIF.

    ENDLOOP.
  ENDLOOP.

* XML-Dokument rendern
  DATA(o_sf) = o_ixml->create_stream_factory( ).

  DATA: lv_xml TYPE string.

  DATA(o_stream) = o_sf->create_ostream_cstring( lv_xml ).
  o_stream->set_encoding( encoding = o_encoding ).
  o_stream->set_pretty_print( pretty_print = abap_true ).

  DATA(o_render) = o_ixml->create_renderer( ostream  = o_stream
                                            document = o_doc ).

* XML-String in lv_xml generieren
  DATA(lv_rc) = o_render->render( ).

* Dateigröße in Bytes
  DATA(lv_size) = o_stream->get_num_written_raw( ).

* Stream schließen
  o_stream->close( ).

  IF lv_rc = 0 AND lv_size > 0.
* XML-String in XML-Document wandeln
    DATA(o_xml_doc) = NEW cl_xml_document( ).
    o_xml_doc->parse_string( lv_xml ).

* Ausgabe-Datei, "\" müssen quotiert werden
    DATA(lv_fullpath) = |c:\\temp\\test.xml|.

* XML-Document als Datei speichern
    o_xml_doc->export_to_file( CONV #( lv_fullpath ) ).

* lokale Datei im Excel aufrufen
* parameter muss wegen möglicher Leerzeichen im Pfad mit "" quotiert werden
    cl_gui_frontend_services=>execute( application = 'excel.exe'
                                       parameter = |"{ lv_fullpath }"| ).
  ELSE.
    WRITE: / 'Fehler beim Erzeugen der XML-Datei.'.
  ENDIF.

[ABAP] RegEx – String auf Float/Integer testen

* http://www.regular-expressions.info/floatingpoint.html
DATA: lv_in TYPE string VALUE '-1.23'. " oder 1.23E-10 oder -1
DATA: lv_out TYPE f.

DATA(matcher) = cl_abap_matcher=>create( pattern = '^[-+]?[0-9]*[.]?[0-9]+([eE][-+]?[0-9]+)?$'
                                         text = lv_in
                                         ignore_case = abap_true ).

IF matcher->match( ) = abap_true.
  lv_out = lv_in.
  WRITE: / lv_out.
ENDIF.

[ABAP] RegEx – String auf Datum testen

* http://www.regular-expressions.info/dates.html
DATA: lv_in TYPE string VALUE '2016-02-01'.

* mm-dd-yyyy, mm/dd/yyyy, mm.dd.yyyy, mm dd yyyy
* '^(0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])[- /.](19|20|21)\d\d$'

* dd-mm-yyyy, dd/mm/yyyy, dd.mm.yyyy, dd mm yyyy
* '^(0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])[- /.](19|20)\d\d$'

* yyyy-mm-dd, yyyy/mm/dd, yyyy.mm.dd, yyyy mm dd
* '^(19|20|21)\d\d([- /.])(0[1-9]|1[012])\2(0[1-9]|[12][0-9]|3[01])$'
DATA(matcher) = cl_abap_matcher=>create( pattern = '^(19|20|21)\d\d([- /.])(0[1-9]|1[012])\2(0[1-9]|[12][0-9]|3[01])$'
                                         text = lv_in
                                         ignore_case = abap_true ).

IF matcher->match( ) = abap_true.
  WRITE: / lv_in.
ENDIF.

[ABAP] RegEx – String auf White-Spaces testen

DATA: lv_txt TYPE string.
  
lv_txt = ...

* White-Spaces:
* - space
* - tab (\t)
* - carriage-return (\r)
* - newline (\n)
* - form-feed (\f)
IF abap_true = cl_abap_matcher=>create( pattern = '^\s*$'
                                        text = lv_txt
                                        ignore_case = abap_true )->match( ).
                                                    
  WRITE: / 'Der String besteht nur aus 0..n White-Spaces. Er ist im Grunde leer.'.
ELSE.
  WRITE: / 'Im String besteht nicht nur aus White-Spaces.'.
ENDIF.