Java正则表达式匹配器组1的例子 Java正则表达式匹配组示例 Java 正则匹配 groupCount 方法 Java正则表达式匹配器组1的例子 package com.codingdict; 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); if(matcher.find()) { //Prints the offset after the last character matched. System.out.println("Second Capturing Group : "+matcher.group(1)); } } } Java正则表达式匹配组示例 Java 正则匹配 groupCount 方法