public class StringIndexTest { public static void main(String[] args) { String s = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccc string_a xxxxxxxxxx string_bddddddddddddddddddddddddddd"; int begin = s.indexOf("string_a"); int end = s.indexOf("string_b") + "string_b".length(); StringBuffer result = new StringBuffer(); result = result.append(s.substring(0,begin)); System.out.println(result); result = result.append(s.substring(end)); System.out.println(result); } }
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
cccc string_a xxxxxxxxxx string_b
dddddddddddd string_b ddddddddddddddd
要删除string_a xxxxxxxxxx string_b,
怎么弄?
String s = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccc string_a xxxxxxxxxx string_bddddddddddddddddddddddddddd";
int begin = s.indexOf("string_a");
int end = s.indexOf("string_b") + "string_b".length();
StringBuffer result = new StringBuffer();
result = result.append(s.substring(0,begin));
System.out.println(result);
result = result.append(s.substring(end));
System.out.println(result);
}
}