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CheckCF ( Codice Fiscale )

Only for Italian People

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Daniele Raybaudi - Show more from this author ACI http://www.aci.it

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

/* CheckCF function (not a recursive function) it needs the OddCharacters(text) and EvenCharacters(text) recursive functions (by Michael Horak) Author Daniele Raybaudi Format CheckCF ( Codice Fiscale ) Parameters text - any text expression or text field Data type returned number Description Only for Italian People Returns True(1) if CF is valid, False(0) if it does not pass the test. A return of 'True' does not mean it's a valid/existing CF ! (IMPORTANTE: non valuta il codice fiscale delle persone giuridiche: qualsiasi espressione di testo composta da 11 numeri è considerata valida) Aprile 17, 2005 minor bug fixed Aprile 18, 2005 */ Consenti ([ LetterePosizioneDispari = Superiore ( OddCharacters ( Codice fiscale ) ) ; LetterePosizionePari = Superiore ( Sinistra (EvenCharacters ( Codice fiscale ); 7) ); FiltroNumerico = Filtro ( LetterePosizioneDispari;"1234567890"); FiltroLetterale = Filtro ( LetterePosizioneDispari;"ABCDEFGHIJKLMNOPQRSTUVWXYZ"); ConversioneDispari = CercaeSost (Filtro ( FiltroNumerico;"1234") ; ["1";"0+"]; ["2";"5+"]; ["3";"7+"];["4";"9+"]) & CercaeSost (Filtro ( FiltroNumerico;"058") ; ["0";"1+"]; ["5";"13+"]; ["8";"19+"]) & CercaeSost (Filtro ( FiltroNumerico;"697") ; ["6";"15+"]; ["9";"21+"]; ["7";"17+"]) & CercaeSost (FiltroLetterale ; ["B";"0+"]; ["A";"1+"]; ["K";"2+"]; ["P";"3+"]; ["L";"4+"]; ["C";"5+"]; ["Q";"6+"]; ["D";"7+"]; ["R";"8+"]; ["E";"9+"]; ["V";"10+"]; ["O";"11+"]; ["S";"12+"]; ["F";"13+"]; ["T";"14+"]; ["G";"15+"]; ["U";"16+"]; ["H";"17+"]; ["M";"18+"]; ["I";"19+"]; ["N";"20+"]; ["J";"21+"]; ["W";"22+"]; ["Z";"23+"]; ["Y";"24+"]; ["X";"25+"] ); ConversionePari = CercaeSost ( LetterePosizionePari; ["0";"0+"]; ["1";"1+"]; ["2";"2+"]; ["3";"3+"]; ["4";"4+"]; ["5";"5+"]; ["6";"6+"]; ["7";"7+"]; ["8";"8+"]; ["9";"9+"]; ["A";"0+"]; ["B";"1+"]; ["C";"2+"]; ["D";"3+"]; ["E";"4+"]; ["F";"5+"]; ["G";"6+"]; ["H";"7+"]; ["I";"8+"]; ["J";"9+"]; ["K";"10+"]; ["L";"11+"]; ["M";"12+"]; ["N";"13+"]; ["O";"14+"]; ["P";"15+"]; ["Q";"16+"]; ["R";"17+"]; ["S";"18+"]; ["T";"19+"]; ["U";"20+"]; ["V";"21+"]; ["W";"22+"]; ["X";"23+"]; ["Y";"24+"]; ["Z";"25+"]); CheckCalcolato = Modulo ( Valuta ( ConversioneDispari & ConversionePari & "0"); 26); CheckInserito = CercaeSost ( Superiore ( Destra ( Codice fiscale; 1) ); ["0";"0"]; ["1";"1"]; ["2";"2"]; ["3";"3"]; ["4";"4"]; ["5";"5"]; ["6";"6"]; ["7";"7"]; ["8";"8"]; ["9";"9"]; ["A";"0"]; ["B";"1"]; ["C";"2"]; ["D";"3"]; ["E";"4"]; ["F";"5"]; ["G";"6"]; ["H";"7"]; ["I";"8"]; ["J";"9"]; ["K";"10"]; ["L";"11"]; ["M";"12"]; ["N";"13"]; ["O";"14"]; ["P";"15"]; ["Q";"16"]; ["R";"17"]; ["S";"18"]; ["T";"19"]; ["U";"20"]; ["V";"21"]; ["W";"22"]; ["X";"23"]; ["Y";"24"]; ["Z";"25"]); ControlloGiornoNascita = Casi (Mezzo ( Codice fiscale; 10; 2) = "00" ; "X" ; RicavaComeNumero ( Mezzo ( Codice fiscale; 10; 2) ) > 31 and RicavaComeNumero ( Mezzo ( Codice fiscale; 10; 2) ) ≤ 40 ; "X"; RicavaComeNumero ( Mezzo ( Codice fiscale; 10; 2) ) >71;"X";"" ); ControlloMeseNascita = If ( Filtro ( "FGIJKNOUVWXYZ" ; Mezzo ( Codice fiscale; 9; 1) ) ≠ "" ; "X"; ""); ControlloPrimeSeiLettere = If ( Filtro ( "1234567890" ;Sinistra ( Codice fiscale; 6)) ≠ "";"X";""); ControlloNonaLettera = If ( Filtro ( "1234567890" ;Mezzo ( Codice fiscale; 9;1)) ≠ "";"X";""); ControlloDodicesimaLettera = If ( Filtro ("NOPQRSTUV1234567890" ; Mezzo ( Codice fiscale; 12;1) ) ≠ "";"X"); ControlloSedicesimaLettera = If ( Filtro ( "1234567890" ;Mezzo ( Codice fiscale; 16;1) ) ≠ "";"X";"")] ; //Controllo Finale: il codice fiscale delle persone giuridiche non viene verificato ! Casi( Lunghezza ( Codice fiscale ) = 16 and CheckCalcolato = CheckInserito and ControlloNonaLettera = "" and ControlloPrimeSeiLettere = "" and ControlloDodicesimaLettera = "" and ControlloSedicesimaLettera = "" and ControlloGiornoNascita = "" and ControlloMeseNascita = "" ; 1 ; Lunghezza ( Codice fiscale ) = 11 and Filtro ( codice fiscale; "0123456789") = codice fiscale ;1 ; 0 ) ) Click to copy

Only for Italian People
Returns True(1) if CF is valid,
False(0) if it does not pass the test.
A return of 'True' does not mean it's a valid/existing CF !
(IMPORTANTE: non valuta il codice fiscale delle persone giuridiche:
qualsiasi espressione di testo composta da 11 numeri e' considerata valida)

 

Comments

		Antonio, Lombardi Mar 25, 2016
Purtroppo non funziona piú con la versione FM Advanced 14 ??

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