字符类[a-z && [^ bc]]匹配从a到z的任何字符(b和c除外)。
以下示例显示了字符类匹配的用法。
package com.learnfk; import java.util.regex.Matcher; import java.util.regex.Pattern; public class CharacterClassDemo { private static final String REGEX = "[a-z&&[^bc]]"; private static final String INPUT = "dbcabca124ADCmnbc"; public static void main(String[] args) { //创建一个模式 Pattern pattern = Pattern.compile(REGEX); //获取匹配器对象 Matcher matcher = pattern.matcher(INPUT); while(matcher.find()) { //打印匹配的开始索引。 System.out.println("Match String start(): "+matcher.start()); } } }
让无涯教程编译并运行以上程序,这将产生以下输出-
Match String start(): 0 Match String start(): 3 Match String start(): 6 Match String start(): 13 Match String start(): 14
参考链接
https://www.learnfk.com/javaregex/javaregex-character-class-subtraction.html
标签:Java,String,bc,matcher,无涯,start,Pattern,匹配,Match From: https://blog.51cto.com/u_14033984/9056212