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1letters = new Array("a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z");
2numbers = new Array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26);
3colors  = new Array("FF","CC","99","66","33","00");
4
5var endResult;
6
7function doTest()
8{
9   endResult = "";
10
11   // make up email address
12   for (var k=0;k<4000;k++)
13   {
14      name = makeName(6);
15      (k%2)?email=name+"@mac.com":email=name+"(at)mac.com";
16
17      // validate the email address
18      var pattern = /^[a-zA-Z0-9\-\._]+@[a-zA-Z0-9\-_]+(\.?[a-zA-Z0-9\-_]*)\.[a-zA-Z]{2,3}$/;
19
20      if(pattern.test(email))
21      {
22         var r = email + " appears to be a valid email address.";
23         addResult(r);
24      }
25      else
26      {
27         r = email + " does NOT appear to be a valid email address.";
28         addResult(r);
29      }
30   }
31
32   // make up ZIP codes
33   for (var s=0;s<4000;s++)
34   {
35      var zipGood = true;
36      var zip = makeNumber(4);
37      (s%2)?zip=zip+"xyz":zip=zip.concat("7");
38
39      // validate the zip code
40      for (var i = 0; i < zip.length; i++) {
41          var ch = zip.charAt(i);
42          if (ch < "0" || ch > "9") {
43              zipGood = false;
44              r = zip + " contains letters.";
45              addResult(r);
46          }
47      }
48      if (zipGood && zip.length>5)
49      {
50         zipGood = false;
51         r = zip + " is longer than five characters.";
52         addResult(r);
53      }
54      if (zipGood)
55      {
56         r = zip + " appears to be a valid ZIP code.";
57         addResult(r);
58      }
59   }
60}
61
62function makeName(n)
63{
64   var tmp = "";
65   for (var i=0;i<n;i++)
66   {
67      var l = Math.floor(26*Math.random());
68      tmp += letters[l];
69   }
70   return tmp;
71}
72
73function makeNumber(n)
74{
75   var tmp = "";
76   for (var i=0;i<n;i++)
77   {
78      var l = Math.floor(9*Math.random());
79      tmp = tmp.concat(l);
80   }
81   return tmp;
82}
83
84function addResult(r)
85{
86   endResult += "\n" + r;
87}
88
89doTest();
90