题解 | #合法的括号字符串#
合法的括号字符串
https://www.nowcoder.com/practice/eceb50e041ec40bd93240b8b3b62d221
/**
* 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
*
*
* @param s string字符串
* @return bool布尔型
*/
function isValidString( s ) {
// write code here
const reg = /(\()\*{0,}(\))/;
s = s.trim()
while(reg.test(s)){
s = s.replace(reg,(a)=>{
return a.replace("(","").replace(")","")
})
console.log('s===',s)
}
// 此时只剩下单方向的括号或者* v (***** *)*. *)**)**
while(s.includes("(*") || s.includes("*)")){
s = s.replace("(*","");
s = s.replace("*)","")
}
s = s.replaceAll("*","");
console.log(s)
if(s.length) return false
return true
}
module.exports = {
isValidString : isValidString
};
