Javascript  »  Nützliches  »  eMail-Check

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Kategorie	Nützliches
Bezeichnung	eMail-Check
ScriptDemo	Neues Fenster für Demo öffnen
Statistik	13234 Aufrufe davon 2x gestern
Ihre Surfer können zwar immer noch Müll eingeben, aber sie brauchten sicherlich mehr Zeit dafür als Sie brauchen, um die letztlich doch geschickte eMail zu lesen. Dieses Script überprüft auf: Schimpfwörter unzulässige Zeichen Anzahl der @s Leerzeichen Punkte allgemeine Eingaben
Javascript-Quellcode  (einfach markieren, kopieren und lokal abspeichern) <script Language="JavaScript"> <!-- Over the top e-mail checker by kurt.grigg@virgin.net YourEmailAddress='somebody@yahoo.com'; function Highlight(){ document.form1.email.focus(); document.form1.email.select(); } function check(){ var email = document.form1.email.value; var blanks = ''*100; var naughty = new Array("arse","bastard","cunt","fuck","shit","wanker","piss","twat"); var sneaky = email.toLowerCase(); var illegal = "You have entered illegal characters.\nOnly characters listed here allowed.\n\nLetters of Alphabet [lower and upper case]\nNumbers\nOne @ symbol only\nFull stops\nHyphens [Minus sign]\nUnderscores\n\n"; //mail check if (email <= blanks){ alert("Please enter your e-mail address."); Highlight();return false; } else if (email.length > 62){ alert('Max character length for any e-mail address is 63.'); Highlight();return false; } else if (email.charAt(0) == " "){ alert('You have typed a space at the - START - of your e-mail address'); Highlight();return false; } else if (email.charAt(email.length-1) == " "){ alert('You have typed a space at the - END - of your e-mail address'); Highlight();return false; } else if (email.indexOf(" ") !=-1){ alert('You have typed a space - IN - your e-mail address'); Highlight();return false; } //CHECK FOR ILLEGAL CHARACTERS 1 for (i=0; i < email.length; i++){ var caps = "a".toUpperCase(); var E = email.substring(i, i + 1); if ((E < "0" || "9" < E ) && E != "@" && E !="." && E !="-" && E !="_" && E < caps || "z" < E){ alert(illegal); Highlight();return false; } } //CHECK FOR ILLEGAL CHARACTERS 2 if ((email.indexOf('`',0) != -1) || (email.indexOf(String.fromCharCode(94)) != -1) || (email.indexOf(String.fromCharCode(92)) != -1) || (email.indexOf('[',0) != -1) || (email.indexOf(']',0) != -1)){ alert(illegal); Highlight();return false; } //CHECK FOR SWEARING for (i=0; i < email.length; i){ if (sneaky.indexOf(naughty[i]) != -1){ alert('Please remove the swear word - '+naughty[i].toUpperCase()); Highlight();return false; } i++; } for (i=0; i < email.length; i++){ if (email.charAt(i) ==" ") email.charAt(i)=""; } alert(email); //GENERAL FORMATING if (email.charAt(0) =="."){ alert('An e-mail address cannot start with a full stop'); Highlight();return false; } else if (email.split('@').length > 2){ alert('Only 1 @ allowed in e-mail address.'); Highlight();return false; } else if (email.indexOf ('@',0) == -1){ alert("The @ symbol is missing"); Highlight();return false; } else if (email.indexOf("@") < 2){ alert("There must be at least 2 characters before @ symbol."); Highlight();return false; } else if (email.charAt(email.length-1) == "@"){ alert('An e-mail address cannot finnish with @'); Highlight();return false; } else if (email.indexOf ('.') == -1){ alert("An e-mail address must contain at least 1 full stop"); Highlight();return false; } else if (email.indexOf('.',email.indexOf('@')) == -1){ alert('The full stop after the @ is missing'); Highlight();return false; } else if (email.substring(email.indexOf('@'),email.length).indexOf(".") < 4){ alert('There must be at least 3 characters between @ and following full stop'); Highlight();return false; } else if (email.lastIndexOf(".")+2 == email.length){ alert('There must be at least 2 characters after last full stop'); Highlight();return false; } else if (email.substring(email.lastIndexOf("."),email.length).length > 4){ alert('Only 3 characters allowed after last full stop'); Highlight();return false; } else if (email.charAt(email.length-1) =="."){ alert('An e-mail address cannot finnish with a full stop'); Highlight();return false; } ok=null; confirm('You have entered - '+email+'\nAll checks passed.\n\nDo you want to send it now?')?ok=1:ok=0; if (ok==1) return true; else return false; } //--> </script> Enter your e-mail address for my latest thingy. <script Language="JavaScript"> <!-- Put this where ever you want! var styleok=(document.all)?'class=looks':0; document.write('<form name="form1" method="POST" action="mailto:'+YourEmailAddress+'" ENCTYPE="text/plain" ONSUBMIT="return check()">' +'<input '+styleok+' type="SUBMIT" value="Send"> ' +'<input '+styleok+' name="email" type="text" size="25" maxlength="63"> ' +'<input '+styleok+' type="Reset" value="Clear">' +'</form>'); //--> </script>

Kommentare zu eMail-Check

3 Kommentar(e) vorhanden / Anzeige der neuesten 5

am 04.10.2003 um 15:06 Uhr von Matthias_H
Es gibt, beispielsweise hier in Schweden, auch Domains mit nur zwei Buchstaben: dn.se sj... 

am 15.03.2003 um 13:10 Uhr von mig
Inzwischen gibt es einen kleinen Fehler im Script: es gibt jetzt auch Top-Level-Domains mi... 

am 25.02.2003 um 08:45 Uhr von Coniaric
Sehr gutes Skript! Fängt wirklich alles ab, was geht!... 


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