текст парсит правильно,но валик пишет,что надо обратить внимание на внутренние теги
import java.util.Map;
import java.util.regex.*;
import java.util.*;
import java.io.*;
public class Solution {
public static void main(String[] args) throws IOException {
String sit="/storage/emulated/0/f.f.1\n/storage/emulated/0/f.f\n/storage/emulated/0/f.f.12\n";
args=new String[1];args[0]="b";
String t=args[0];
BufferedReader b=new BufferedReader(new InputStreamReader(new ByteArrayInputStream(sit.getBytes())));
//BufferedReader b=new BufferedReader(new InputStreamReader((System.in)));
String n1=b.readLine();
b.close();
BufferedReader fis=null;
try{
fis=new BufferedReader( new FileReader(n1));
}catch(FileNotFoundException f){}
String fil="\n\n";
fil="about Leela <b\n>Turanga Leela\nSupergirl";fis=new BufferedReader(new InputStreamReader(new ByteArrayInputStream(fil.getBytes())));
Pattern pt = Pattern.compile("(</? *)("+t+")");
ArrayList stack=new ArrayList();
String name;
while((name=fis.readLine())!=null){
Matcher mtch=pt.matcher(name);
int start=0;int end=name.length()-1;
while(mtch.find()){
String ta=mtch.group(1);
if(ta.equals("<")){
stack.add(true);
if (stack.size()==1){
start=mtch.start(1);//System.out.println(ta+start);
}
}else if(ta.equals("</")){
stack.remove(stack.size()-1);
}
if(stack.size()==0){
System.out.println(name.substring(start,mtch.end(2)+1));
}
}
if (stack.size()>0){
System.out.println(name.substring(start,name.length()));
}
}fis.close();
}
}
package com.javarush.task.task19.task1918;
import java.util.Map;
import java.util.regex.*;
import java.util.*;
import java.io.*;
/*
Знакомство с тегами
*/
class Solution {
public static void main(String[] args) throws IOException {
String sit="/storage/emulated/0/f.f.1\n/storage/emulated/0/f.f\n/storage/emulated/0/f.f.12\n";
//args=new String[1];args[0]="b";
String t=args[0];
//BufferedReader b=new BufferedReader(new InputStreamReader(new ByteArrayInputStream(sit.getBytes())));
BufferedReader b=new BufferedReader(new InputStreamReader((System.in)));
String n1=b.readLine();
b.close();
BufferedReader fis=null;
try{
fis=new BufferedReader( new FileReader(n1));
}catch(FileNotFoundException f){}
//String fil="<s><a><a>\n</a></a>\n</s>";
//fil="about Leela <span xml:lang=e lang=en><b><span>Turanga Leela\n</span></b></span><span>Super</span><span>girl</span>";fis=new BufferedReader(new InputStreamReader(new ByteArrayInputStream(fil.getBytes())));
Pattern pt = Pattern.compile("(</? *)("+t+")");
ArrayList stack=new ArrayList();
String name;
while((name=fis.readLine())!=null){
Matcher mtch=pt.matcher(name);
int start=0;int end=name.length()-1;
while(mtch.find()){
String ta=mtch.group(1);
if(ta.equals("<")){
stack.add(true);
if (stack.size()==1){
start=mtch.start(1);//System.out.println(ta+start);
}
}else if(ta.equals("</")){
stack.remove(stack.size()-1);
}
if(stack.size()==0){
System.out.println(name.substring(start,mtch.end(2)+1));
}
}
if (stack.size()>0){
System.out.println(name.substring(start,name.length()));
}
}fis.close();
}
}