function getNumber(s) {
    for (const char of s) {
        let n = parseInt(char);
        if (! isNaN(n)) { // se é número, retorna
            return n;
        }
    }
    // estou assumindo que sempre terá um número na string, então aqui não retorno nada
}
 
function order(frase) {
    if (frase.length == 0){
        return '';
    }
    return frase.split(' ')
                .sort((a, b) => getNumber(a) - getNumber(b))
                .join(' ');
}
 
console.log(order("4of Fo1r pe6ople g3ood th5e the2"));
 

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