老师讲的这个，虽然听懂了，当还是不太理解
Pattern p = Pattern.compile("a*b"); Matcher m = p.matcher("aaaaab"); boolean b = m.matches();

老师讲的这个，虽然听懂了，当还是不太理解
Pattern p = Pattern.compile("a*b"); Matcher m = p.matcher("aaaaab"); boolean b = m.matches();