11,333,445545,体育体育
23423,23234,234234234,豆腐干大锅饭
23234234,234234234,345345345,规范化飞过海飞过海法如果要先找出第2,第3个“,”号之间的内容,然后把他们删除,最后重新组合成新的字符串,改怎么实现?急!!!!
23423,23234,234234234,豆腐干大锅饭
23234234,234234234,345345345,规范化飞过海飞过海法如果要先找出第2,第3个“,”号之间的内容,然后把他们删除,最后重新组合成新的字符串,改怎么实现?急!!!!
public static void main(String[] args){
String str="11,333,445545,体育体育";
int index;
int end;
index=str.indexOf(",")+1;
index=str.indexOf(",",index)+1;
end=str.indexOf(",",index)+1;
str=str.substring(0,index)+str.substring(end,str.length());
System.out.println(str); }
}
import java.util.regex.*; public class aa{
public static void main(String[] args){
String str="11,333,445545,体育体育";
Pattern p = Pattern.compile("[,]+");
String[] result = p.split(str);
str=result[0]+","+result[1]+","+result[3];
System.out.println(str);
/*int index;
int end;
index=str.indexOf(",")+1;
index=str.indexOf(",",index)+1;
end=str.indexOf(",",index)+1;
str=str.substring(0,index)+str.substring(end,str.length());
*/
}
}