06. /last/Wall Builder Text Proces.&Reg.Expr.-More Exercise

function wallBuilder(input) {
    let separator = input.length / 3;
    for (let index in input) {
        if ((Number(index) + 1) / separator <= 1) {
            let pattern = /\b[A-Z]{1,}[0-9]{4,}?([A-Z]{1,}[0-9]{4,})*\b/g;
            if (input[index].match(pattern)) {
                console.log('SOLID BASE!');
            } else {
                console.log('WEAK BASE!');
            }
        } else if ((Number(index) + 1) / separator <= 2) {
            let pattern = /^[a-z]{3}[a-z#@$%]+[#@$%]$/gi;
            if (input[index].match(pattern)) {
                console.log('SOLID MIDDLE!');
            } else {
                console.log('WEAK MIDDLE!');
            }
        } else if ((Number(index) + 1) / separator <= 3) {
            let pattern = /\b0+([a-z]{0,5}[0])+\1+[a-z]{1,5}\b/g;
            if (input[index].match(pattern)) {
                console.log('SOLID TOP!');
            } else {
                console.log('WEAK TOP!');
            }
        }
    }
}