题解 | #统计大写字母个数#
统计大写字母个数
https://www.nowcoder.com/practice/434414efe5ea48e5b06ebf2b35434a9c
const readline = require('readline'); const rl = readline.createInterface({ input: process.stdin, output: process.stdout }); rl.on('line', function (line:string) { const num = line.split('').filter(item => /[A-Z]/.test(item))?.length || 0; console.log(num); });