主要是正则表达式的运用: var input = readline(); var index = input.replace(/[^a-zA-Z]/g, " "); index = index.split(" ").reverse().join(" "); console.log(index);
主要是正则表达式的运用: var input = readline(); var index = input.replace(/[^a-zA-Z]/g, " "); index = index.split(" ").reverse().join(" "); console.log(index);