Java正则表达式预定义的class_nonspace示例 Java正则表达式预定义的类空间示例 Java正则表达式预定义的类单词示例 Java正则表达式预定义的class_nonspace示例 package com.codingdict; import java.util.regex.Matcher; import java.util.regex.Pattern; public class PredefinedCharacterClassDemo { private static final String REGEX = "\\S"; private static final String INPUT = "dbcabcab12\tc"; public static void main(String[] args) { // create a pattern Pattern pattern = Pattern.compile(REGEX); // get a matcher object Matcher matcher = pattern.matcher(INPUT); while(matcher.find()) { //Prints the start index of the match. System.out.println("Match String start(): "+matcher.start()); } } } Java正则表达式预定义的类空间示例 Java正则表达式预定义的类单词示例