/**
* Convert string like 'A' to number like 1
* @paramstring
* @returns
*/exportfunctionstringToNumber(string: string): number {
letnumber = 0;
for (let i = 0; i < string.length; i++) {
number *= 26;
number += Number(string.codePointAt(i)) - 64;
}
returnnumber;
}