BlogJava-少年阿宾-随笔分类-正则表达式

Java 正则表达式语法

abin — Mon, 23 Jul 2012 09:34:00 GMT

http://www.blogjava.net/songfei/articles/23686.html
http://blog.csdn.net/allwefantasy/article/details/3136570
http://www.blogjava.net/byterat/archive/2007/05/17/118014.html
http://liangfen1224.blog.163.com/blog/static/72377647200861211818421/
http://hi.baidu.com/zjcjava/item/4056050f41cb8c99a2df43f2

abin 2012-07-23 17:34 发表评论

Java 正则表达式例子(一)

abin — Mon, 23 Jul 2012 08:30:00 GMT

开头是两个数字，然后中间有一个连接符，然后连接符-后面还有5位数字的正则
package org.litsoft.air.servlet;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TestString {
public static boolean isRight(String str){
  boolean flag=false;
  String regex="^([0-9]{2}-[0-9]{5})+$";
  Pattern pattern=Pattern.compile(regex);
  Matcher match=pattern.matcher(str);
  if(match.matches()){
   flag=match.matches();
   System.out.println(match.group());
  }
  return flag;
}
public static void main(String[] args) {
  boolean flag=false;
  String str="24-99999";
  flag=new TestString().isRight(str);
  System.out.println("flag="+flag);
}

}

abin 2012-07-23 16:30 发表评论

正则表达式

abin — Mon, 23 Jul 2012 08:02:00 GMT

摘要: [正则表达式]文本框输入内容控制默认分类 2009-02-13 10:10 阅读26 评论0 字号：大大中中小小整数或者小数：^[0-9]+\.{0,1}[0-9]{0,2}$只能输入数字："^[0-9]*$"。只能输入n位的数字："^\d{n}$"。只能输入至少n位的数字："^\d{n... 阅读全文

abin 2012-07-23 16:02 发表评论

Java 截取一段值

abin — Mon, 23 Jul 2012 06:55:00 GMT

package org.litsoft.air.servlet;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class TestUrl {
private static final String Url = "http://localhost:7778/Spa/UnionPayServlet1?a1s2";
public static String result(String url){
  String result=null;
  String regex="([^?]+$)";
  Pattern pattern=Pattern.compile(regex);
  Matcher matcher=pattern.matcher(url);
  while(matcher.find()){
   result=matcher.group();
  }
  return result;
}
public static void main(String[] args) {
  String result=new TestUrl().result(Url);
  System.out.println("result="+result);
}

}

abin 2012-07-23 14:55 发表评论