java.time.Matcher.hitEnd()方法

2019-10-16 22:19:11

如果在此匹配器執行的最後一個匹配操作中搜尋引擎命中了輸入的結尾,則java.time.Matcher.hitEnd()方法返回true

宣告

以下是java.time.Matcher.hitEnd()方法的宣告。

public boolean hitEnd()

返回值

如果在最後一場比賽中輸入結束,則為true; 否則是false

範例

以下範例顯示了java.time.Matcher.hitEnd()方法的用法

package com.yiibai;

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

public class MatcherDemo {
   private static String REGEX = "(a*b)(foo)";
   private static String INPUT = "aabfooaabfooabfoob";
   private static String REPLACE = "-";

   public static void main(String[] args) {
      Pattern pattern = Pattern.compile(REGEX);

      // get a matcher object
      Matcher matcher = pattern.matcher(INPUT);

      while(matcher.find()) {
         //Prints the offset after the last character matched.
         System.out.println("First Capturing Group, (a*b) Match String end(): "+matcher.end());    
      }
      System.out.println("hitEnd(): "+matcher.hitEnd());    
   }
}

編譯並執行上面的程式,這將產生以下結果 -

First Capturing Group, (a*b) Match String end(): 6
First Capturing Group, (a*b) Match String end(): 12
First Capturing Group, (a*b) Match String end(): 17
hitEnd(): true