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(1+2+3),true
(1+2+3.),false
(.1+2+3),false
(1.2+2.3+3),true
(1+2+3..2),false
(12++0+3),false
1(1+0+3),false

try...

JScript code:
var reg = /^\(([1-9][0-9]*(\.[0-9]*)?\+){2}[1-9][0-9]*(\.[0-9]*)?\)$/;


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1+2+3,false
(1+2+3),true
(1+2+3.),false
(.1+2+3),false
(1.2+2.3+3),true
(1+2+3..2),false
(12++0+3),false
1(1+0+3),false


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try...

JScript codevar reg=/^\(([1-9][0-9]*(\.[0-9]*)?\+){2}[1-9][0-9]*(\.[0-9]*)?\)$/;


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#include"stdlib.h"
void ContrTwo(char i)
{
char str1[8];
itoa(i,str1,2);
printf("%s",str1);
}
unsigned char leftRot(char str,int i);
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