字符串:
" 您好{"hyena":"comment","content":"paul","action":"user","targetId":15,"options":{}}
评论了您的{"hyena":"comment","content":"焦作云山","action":"trip","targetId":63,"options":{}}中的
{"hyena":"comment","content":"图片","action":"picture","targetId":656,"options":{"trip":63}}"
如何将最外层大括号里的内容拿出来,并且替换掉呢?求大神帮忙啊?
" 您好{"hyena":"comment","content":"paul","action":"user","targetId":15,"options":{}}
评论了您的{"hyena":"comment","content":"焦作云山","action":"trip","targetId":63,"options":{}}中的
{"hyena":"comment","content":"图片","action":"picture","targetId":656,"options":{"trip":63}}"
如何将最外层大括号里的内容拿出来,并且替换掉呢?求大神帮忙啊?
评论了您的{"hyena":"comment","content":"焦作云山","action":"trip","targetId":63,"options":{}}中的
{"hyena":"comment","content":"图片","action":"picture","targetId":656,"options":{"trip":63}}"正则可以判断,但是可以提取么?这个我不清楚。
不过这题不难啊,我这网吧没有编译环境,就大体上说一下吧。
String[] s;//存放(分开的字符串
String[] ss;//存放s中由)分开的字符串
String str="e(fe)fe";//str就是这个字符字符串,这里只是举个例子
s=str.split("(");
for(int i=0;i<s.length;i++){
if(s[i].contains(")")){
ss=s[i].split(")");
system.out.println("符合条件的字符串为:"+s[0]);
}
}你测试下结果,如果不对回下贴,我再改改,感觉思路上没难度。
可以提取Pattern p = Pattern.compile("\\{.*?\\}}");
Matcher m = p.matcher(s);
while(m.find()){
System.out.println(m.group());
}
如果楼主的都是这种格式的话我这个可以用用
public class Word { public static void main(String args[]){
String str="您好{options{abc}}评论了您的{options{def}}中的{options{trip:63}}";
ArrayList<String> word=new ArrayList<String>();
int m=0,n=0;
int count=0;
for(int i=0;i<str.length();i++){
if(str.charAt(i)=='{'){
if(count==0){
m=i;
}
count++;
}
if(str.charAt(i)=='}'){
count--;
if(count==0){
n=i;
word.add(str.substring(m, n+1));
}
}
}
for(String a : word){
System.out.println(a);
}
}
}可以看下只提取出来了 没替换
repalce()
还是用正则表达式比较好。
package com.study.regular;import java.util.ArrayList;
import java.util.List;public class PiPei {
public static void main(String[] args) {
String s = "(((520+480)*38/10)/2*((520+480)*38/10)/2)) ";
List<Char> list = new ArrayList<Char>();
do{
s = getString(s, list);
}while(s != null && s.indexOf("(") != -1);
for(Char c : list){
System.out.println(c.str.substring(c.startIndex, c.endIndex + 1));
}
}
public static String getString(String str, List<Char> list){
char[] cs = str.toCharArray();
boolean isStart = false;
Char ch = new Char();
ch.str = str;
for(int i = 0; i < cs.length; i++){
char c = cs[i];
if(c == '('){
if(!isStart){
ch.startIndex = i;
isStart = true;
}
ch.layer++;
}else if (c == ')' && ch.layer > 0){
ch.layer--;
if(ch.layer == 0){
ch.endIndex = i;
list.add(ch);
if(i != cs.length - 1){
String last = str.substring(i + 1);
do{
last = getString(last, list);
}while(last != null && last.indexOf("(") != -1);
}
break;
}
}
}
if(ch.endIndex != 0){
return str.substring(ch.startIndex + 1, ch.endIndex);
}
return null;
}}
class Char{
int startIndex;
int endIndex;
int layer;
String str;
}