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