function GetMaxChars(str) {
const size = str.length;
let maxCh = 0;
for (let i = 0; i < size - 1; i++) {
for (let j = i + 1; j < size; j++) {
if (str.charAt(i) == str.charAt(j)) {
let temp = Math.abs(j - i - 1);
maxCh = maxCh > temp ? maxCh : temp;
}
}
}
return maxCh;
}
const str = "aBwcaaBdefBgh";
console.log(GetMaxChars(str));
/*
run:
8
*/