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function strToDate(str) {
 var re=/^(\d{4})\/(\d{1,2})\/(\d{1,2}) (\d{1,2}):(\d{1,2})$/g
 if(re.test(str)) {
  if (RegExp.$2<1 || RegExp.$2>12) {
   return false;
  }
  if (RegExp.$3<1 || RegExp.$3>31) {
   return false;
  }  
  if (RegExp.$4<0 || RegExp.$4>60) {
   return false;
  }
  if (RegExp.$5<0 || RegExp.$5>60) {
   return false;
  }
  return new Date(RegExp.$1,RegExp.$2,RegExp.$3,RegExp.$4,RegExp.$5);
 } else {
  return false;
 }
}


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65
J
74
S
83
1
49
B
66
K
75
T
84
2
50
C
67
L
76
U
85
3
51
D
68
M
77
V
86
4
52
E
69
N
78
W
87
5
53
F
70
O
79
X
88
6
54
G
71
P
80
Y
89
7
55
H
72
Q
81
Z
90
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