leetcode每日一题1108.IP地址无效化

class Solution {
public String defangIPaddr(String address) {
return address.replaceAll("\\.","\\[\\.\\]");
}
}

class Solution {
public String defangIPaddr(String address) {
return address.replace(".","[.]");
}
}

func defangIPaddr(address string) string {
var build strings.Builder
for _,data := range address{
if data == '.' {
build.WriteString("[.]")
}else {
build.WriteRune(data)
}
}
return build.String()
}

import "strings"
func defangIPaddr(address string) string {
return strings.Replace(address,".","[.]",3)
}