Created
August 19, 2014 21:47
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Validate CPF
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function checkCPF( val ) { | |
val = $.trim(val); | |
val = val.replace('.',''); | |
val = val.replace('.',''); | |
cpf = val.replace('-',''); | |
while(cpf.length < 11) cpf = "0"+ cpf; | |
var expReg = /^0+$|^1+$|^2+$|^3+$|^4+$|^5+$|^6+$|^7+$|^8+$|^9+$/; | |
var a = []; | |
var b = new Number; | |
var c = 11; | |
for (i=0; i<11; i++){ | |
a[i] = cpf.charAt(i); | |
if (i < 9) b += (a[i] * --c); | |
} | |
if ((x = b % 11) < 2) { a[9] = 0 } else { a[9] = 11-x } | |
b = 0; | |
c = 11; | |
for (y=0; y<10; y++) b += (a[y] * c--); | |
if ((x = b % 11) < 2) { a[10] = 0; } else { a[10] = 11-x; } | |
var result = true; | |
if ((cpf.charAt(9) != a[9]) || (cpf.charAt(10) != a[10]) || cpf.match(expReg)) result = false; | |
return result; | |
} |
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