String PW_PATTERN = "^(?![A-Za-z0-9]+$)(?![a-z0-9\\W]+$)(?![A-Za-z\\W]+$)(?![A-Z0-9\\W]+$)[a-zA-Z0-9\\W]{8,}$"
String pw1 = "ABCDEFGHIG"
String pw2 = "abcdefghig"
String pw3 = "0123456789"
String pw4 = "!@#$%^&*()"
String pw5 = "ABCDEabcde"
String pw6 = "ABCDE01234"
String pw7 = "ABCDE!@#$%"
String pw8 = "abcde01234"
String pw9 = "abcde!@#$%"
String pw10 = "01234!@#$%"
String pw11 = "abcde01234!@#$%"
String pw12 = "ABCDE01234!@#$%"
String pw13 = "ABCDEabcde!@#$%"
String pw14 = "ABCDEabcde01234"
String pw15 = "Aa0!"
//符合要求密码
String pw16="ABCabc012!@#"
System.out.println(pw1.matches(PW_PATTERN))
System.out.println(pw2.matches(PW_PATTERN))
System.out.println(pw3.matches(PW_PATTERN))
System.out.println(pw4.matches(PW_PATTERN))
System.out.println(pw5.matches(PW_PATTERN))
System.out.println(pw6.matches(PW_PATTERN))
System.out.println(pw7.matches(PW_PATTERN))
System.out.println(pw8.matches(PW_PATTERN))
System.out.println(pw9.matches(PW_PATTERN))
System.out.println(pw10.matches(PW_PATTERN))
System.out.println(pw11.matches(PW_PATTERN))
System.out.println(pw12.matches(PW_PATTERN))
System.out.println(pw13.matches(PW_PATTERN))
System.out.println(pw14.matches(PW_PATTERN))
System.out.println(pw15.matches(PW_PATTERN))
System.out.println(pw16.matches(PW_PATTERN))