public class replaceTest { public static void main(String[] args) { String str1="0000abc1111defabc"; String str2="xyz"; while(str1.indexOf("000")!=-1){ str1=str1.substring(0, str1.indexOf("000"))+ str2 + str1.substring(str1.indexOf("000")+3,str1.length()); } System.out.println(str1); }}
public class Interview { ) public static String replaceAll(String source,String from,String to) { //source = source.replace(from,to); //return source; String [] str = new String [source.length() - from.length() + 1]; int i = 0; while(i <= source.length() - from.length()) { str[i] = source.substring(i,i+from.length()); if(str[i].equals(from)) { source = source.substring(0,i) + to + source.substring(i+from.length()); i += to.length(); } else { i++; } } return source; } public static void main(String[] args) { String source = "aaaaacafadfsfd"; String from = "aaa"; String to = "ddd"; String str = replaceAll(source,from,to); System.out.println(str); } }
public class Interview { public static String replaceAll(String source,String from,String to) { //source = source.replace(from,to); //return source; String [] str = new String [source.length() - from.length() + 1]; int i = 0; while(i <= source.length() - from.length()) { str[i] = source.substring(i,i+from.length()); if(str[i].equals(from)) { source = source.substring(0,i) + to + source.substring(i+from.length()); i += to.length(); } else { i++; } } return source; } public static void main(String[] args) { String source = "aaaaacafadfsfd"; String from = "aaa"; String to = "ddd"; String str = replaceAll(source,from,to); System.out.println(str); } }
String a = "0000abc1111defabc"; String b = "xyz"; Pattern p = Pattern.compile("abc"); Matcher m = p.matcher(a); StringBuffer result = new StringBuffer(); while (m.find()) { m.appendReplacement(result, b);//把替换后的字符串插入到result中 } System.out.println(result);
import java.util.regex.Matcher; import java.util.regex.Pattern; public static void main(String []arg){ String a = "abcd000def000cde000"; String b = "111"; Pattern p = Pattern.compile("000"); Matcher m = p.matcher(a); StringBuffer result = new StringBuffer(); while (m.find()) { m.appendReplacement(result, "111"); } System.out.println(result); }
import java.util.regex.Matcher; import java.util.regex.Pattern;public class Test { public static void main(String[] args) {
String begin = "0000abc1111defabc";
Pattern pattern = Pattern.compile("abc"); Matcher m = pattern.matcher(begin);
http://topic.csdn.net/u/20081214/08/4dc9f984-99f8-497d-ae22-fc357ff0e307.html
这个帖子和你的差不多
看看 写出来应该没问题的
String str1="0000abc1111defabc";
String str2="xyz";
while(str1.indexOf("000")!=-1){
str1=str1.substring(0, str1.indexOf("000"))+ str2 + str1.substring(str1.indexOf("000")+3,str1.length());
}
System.out.println(str1); }}
public class Interview
{
)
public static String replaceAll(String source,String from,String to)
{
//source = source.replace(from,to);
//return source;
String [] str = new String [source.length() - from.length() + 1]; int i = 0;
while(i <= source.length() - from.length())
{
str[i] = source.substring(i,i+from.length());
if(str[i].equals(from))
{
source = source.substring(0,i) + to + source.substring(i+from.length());
i += to.length();
}
else
{
i++;
}
}
return source;
} public static void main(String[] args)
{
String source = "aaaaacafadfsfd";
String from = "aaa";
String to = "ddd";
String str = replaceAll(source,from,to);
System.out.println(str);
}
}
public class Interview
{
public static String replaceAll(String source,String from,String to)
{
//source = source.replace(from,to);
//return source;
String [] str = new String [source.length() - from.length() + 1]; int i = 0;
while(i <= source.length() - from.length())
{
str[i] = source.substring(i,i+from.length());
if(str[i].equals(from))
{
source = source.substring(0,i) + to + source.substring(i+from.length());
i += to.length();
}
else
{
i++;
}
}
return source;
} public static void main(String[] args)
{
String source = "aaaaacafadfsfd";
String from = "aaa";
String to = "ddd";
String str = replaceAll(source,from,to);
System.out.println(str);
}
}
String b = "xyz";
Pattern p = Pattern.compile("abc");
Matcher m = p.matcher(a);
StringBuffer result = new StringBuffer();
while (m.find()) {
m.appendReplacement(result, b);//把替换后的字符串插入到result中
}
System.out.println(result);
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public static void main(String []arg){
String a = "abcd000def000cde000";
String b = "111";
Pattern p = Pattern.compile("000");
Matcher m = p.matcher(a);
StringBuffer result = new StringBuffer();
while (m.find()) {
m.appendReplacement(result, "111");
}
System.out.println(result);
}
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class Test { public static void main(String[] args) {
String begin = "0000abc1111defabc";
Pattern pattern = Pattern.compile("abc");
Matcher m = pattern.matcher(begin);
StringBuffer newStr = new StringBuffer();
while(m.find()){
m.appendReplacement(newStr,"xyz");//实现非终端添加和替换步骤
}
m.appendTail(newStr);//实现终端添加和替换步骤。
System.out.println(newStr.toString());
}
}