Java正则表达式字符八进制mnn示例 Java正则表达式字符八进制nn示例 Java正则表达式字符hexa xhh示例 Java正则表达式字符八进制mnn示例 package com.codingdict; import java.util.regex.Matcher; import java.util.regex.Pattern; public class CharactersDemo { private static final String REGEX = "\\0101"; private static final String INPUT = "abcAabc"; public static void main(String[] args) { // create a pattern Pattern pattern = Pattern.compile(REGEX); // get a matcher object Matcher matcher = pattern.matcher(INPUT); if(matcher.find()) { //Prints the start index of the match. System.out.println("Match String start(): "+matcher.start()); } } } Java正则表达式字符八进制nn示例 Java正则表达式字符hexa xhh示例