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- <html>
- <head>
- <title>
- Sjekk om en epost-adresse er gyldig
- </title>
- <meta name="Sigurd Lund" charset="utf-8">
- </head>
- <body>
- <h1>
- Gyldig epost-adresse:
- </h1>
- <%
- String email = request.getParameter("email");
- boolean gyldig;
- int i=0;
- String navn ="", domene="";
- int tekstlengde = email.length();
- boolean range = range(email);
- out.println(email);
- out.println(range);
- %>
- <%! boolean range(String email) {
- char tegn;
- boolean range = false;
- boolean alfa = false;
- boolean dot = true;
- for (int i=0; i<email.length(); i++) {
- tegn = email.charAt(i);
- if (tegn>44 && tegn<123) {
- range = true;
- }
- else {
- range = false;
- return range;
- }
- }
- for (int i=0; i<email.length() && !alfa; i++){
- tegn = email.charAt(i);
- if (tegn ==64) {
- alfa = true;
- }
- else {
- alfa = false;
- }
- }
- if (alfa==true) {
- dot=false;
- }
- else {
- return range = false;
- }
- for (int i=0; i<email.length() && !dot; i++){
- tegn = email.charAt(i);
- if (tegn ==46) {
- dot = true;
- range= true;
- }
- else {
- range = false;
- }
- }
- return range;
- }
- %>
- </body>
- </html>
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