与java.lang.String 等效的方法. 为了方便起见，String 该类也模仿了几种Matcher 方法：. public String replaceFirst(String regex, ... ... <看更多>

You need to call find() before group() : String pattern = "([^-]*)-([\\D]*)([\\d]*)"; String value = "SSS-BB0000"; Matcher matcher ... ... <看更多>

Java Certification Training: https://www.edureka.co/java-j2ee-training-courseThis Edureka Live video on "Java ... ... <看更多>