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JAVASCRIPT

validador de telefone javascript

function validPhone (phone) {
    var regex = new RegExp('^([0-9]{2})((3[0-9]{3}-[0-9]{4})|(9[0-9]{3}-[0-9]{5}))$');
    return regex.test(phone);
}

validPhone('(31)3534-2323'); //Valido
validPhone('(31)9923-23288'); //Valido
validPhone('(31)9923-3288'); //Invalido
validPhone('(31)2323-5443'); //Invalido
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